Word origins

• nemophilaAny plant of the genus Nemophila in the family Boraginaceae
• nephropidAny member of the Nephropidae.
• neuropteridAny insect of the superorder Neuropterida.
• niltavaAny of the birds in the genus Niltava, found in the China, Southeast Asia and South Asia.
• noctuidAny moth in the species-rich family Noctuidae or the superfamily Noctuoidea.
• nodosauridAny member of the family †Nodosauridae, ankylosaurians without clublike tails.
• nolidAny member of the family Nolidae of moths.
• notoryctidA marsupial mole, of the family Notoryctidae.
• nuttalliasisbabesiosis
• nymphoidOf or pertaining to a nymph.
• ochnaAny of the genus Ochna of evergreen trees, shrubs and shrublets.
• ochodaeidAny beetle in the family Ochodaeidae.
• omnivoropteryxAny primitive bird of the genus Omnivoropteryx.
• omphalinoidDescribing any mushroom with decurrent gill attachment, a cartilaginous stem, a broad or depressed cap surface and lacking an annulus and volva.
• onosmaAny flowering plant of the genus Onosma, of the family Boraginaceae.
• onychiuridAny springtail of the family Onychiuridae
• oonopidAny spider in the family Oonopidae.
• opegraphaAny lichen species of the genus Opegrapha.
• ophionAny ichneumon wasp of the genus Ophion.
• ornithomimusAny relatively small theropod dinosaur of the genus †Ornithomimus, the first genus of the ornithomimids to be described.
• ornithorhynchusA platypus (genus Ornithorhynchus).
• orthosiphonAny herbaceous shrub of the genus Orthosiphon.
• oudemansinAny of a class of organic compounds isolated from Oudemansiella fungi.
• ourisiaAny plant of the genus Ourisia.
• oxylobiumAny leguminous plant of the genus Oxylobium, also commonly called shaggy peas.
• pachycephalosaurAny of a group of herbivorous dinosaurs, of the genus Pachycephalosaurus from the late Cretaceous period.
• pachycephalosaurusAny of a group of herbivorous dinosaurs, of the genus Pachycephalosaurus from the late Cretaceous period.
• pachychilidAny freshwater snail in the family Pachychilidae.
• pachyptileAny seabird in the genus Pachyptila.
• pacuvirusAny virus of the genus Pacuvirus
• pallidolA resveratrol dimer found in Cissus pallida etc.
• palmellinA pigment found in the alga Porphyridium purpureum (formerly Palmella cruenta).
• panchaxAny of various tropical fish in the cyprinodontiform families Aplocheilidae and Nothobranchiidae which were formerly classified in the genus Panchax.
• ParadysThe star α Apodis in the constellation Apus.
• parnassiaAny of the genus Parnassia of herbaceous dicots.
• parotiaAny of the birds in the genus Parotia, found in New Guinea.
• paussineAny member of the subfamily Paussinae of ground beetles, most of which live as predators in ants' nests.
• peracaridAny crustacean of the superorder Peracarida.
• persooniaA plant of the genus Persoonia.
• pestivirusAny of several viruses, of the genus Pestivirus, that infect cattle, sheep, pigs etc.
• petroicidOf or relating to the passerine family Petroicidae.
• peucedanumAny apiaceous plant of the genus Peucedanum.
• pezizinAn orange-yellow pigment found in Peziza species.
• phagnalonAny plant of the genus Phagnalon
• phasmatidAny stick insect in the family Phasmatidae.
• philentomaAny of the birds in the genus Philentoma, found in parts of South East Asia.
• pholidoteA member of the Pholidota; a pangolin.
• phoridAny fly of the family Phoridae.
• phylicaAny of the flowering plants of the genus Phylica, the majority of which are restricted to South Africa.
• phyllidiidAny sea slug in the family Phyllidiidae.
• picrasminAn organic compound found in Jamaican quassia.
• pictumineA diterpenoid alkaloid found in Delphinium pictum.
• pipritesAny of the tropical birds in the genus Piprites, found in Central and South America.
• pisoniaAny of the genus Pisonia of nyctaginaceous flowering plants.
• planarianAny of various flatworms of the order Tricladida living in marine, freshwater, or terrestrial environments.
• platygastridAny wasp in the family Platygastridae.
• plumericinA certain naturally-occurring tetracyclic spirolactone iridoid found in Plumeria.
• pneumovirusAny virus of the genus Pneumovirus or of the family Pneumoviridae.
• pochoninA radicicol produced by Pochonia or Humicola.
• polistineAny of the wasps of the subfamily Polistinae.
• polygyridAny snail in the family Polygyridae.
• pomaderrisAny plant of the genus Pomaderris.
• pomatiopsidAny member of the family Pomatiopsidae of saline lake gastropods.
• pottioidResembling the moss genus Pottia.
• prismatomerinA cytotoxic iridoid found in Prismatomeris tetrandra.
• proetidAny trilobite of the order †Proetida.
• protoelongateAny ribbed miter of the genus Protoelongata.
• prunaseAn enzyme that hydrolyzes prunasin into glucose and mandelonitrile.
• pseudococcusAny pseudococcid of the genus Pseudococcus
• pseudoscorpionAn arachnid belonging to the order Pseudoscorpiones, also known as Pseudoscorpionida or Chelonethida
• psocidAny barklouse of the family Psocidae.
• psyllaAny leaping plant louse of the genus Psylla, or family Psyllidae.
• psyllidAny of the host-specific plant-feeding insects of the family Psyllidae, which feed on plant juices.
• pterophoridAny moth of the family Pterophoridae.
• pterygoteAny insect of the order Pterygota.
• pulegoneA monoterpenoid ketone, found in pennyroyal, that is toxic to dogs and cats
• puschkiniaAny of the genus Puschkinia of bulbous perennials in the family Asparagaceae.
• pygarctiaAny noctuoid moth in the genus Pygarctia.
• pyralidA moth of the family Pyralidae.
• pytiliaAny of the birds in the genus Pytilia, found in Africa.
• quadrangularinAny of a class of stilbene derivatives found in Cissus quadrangularis.
• ravenalaAny plant of the genus Ravenala.
• reduviidof, relating to, or characteristic of the family Reduviidae
• renantheraAny of the genus Renanthera of large, scrambling, monopodial, epiphytic, and terrestrial orchids found in India, New Guinea, and the Philippines.
• rhamnaseAn enzyme acting upon glucosides, found in the berries of Rhamnus infectoria.
• rhamninA pigment found in the berries of Rhamnus infectoria.
• rymovirusAny virus of the genus Rymovirus
• sarcococcaAny plant of the genus Sarcococca, native to Asia and Central America.
• satyrineAny butterfly of the subfamily Satyrinae
• saussureaAny thistle of the genus Saussurea.
• saussurineAn organic compound found in Saussurea lappa and used in treating asthma.
• scarabaeineAny member of the subfamily Scarabaeinae of dung beetles.
• schiffornisAny of the tropical birds in the genus Schiffornis, found in Central and South America.
• schistocercaAny large grasshopper of the genus Schistocerca.
• securigeraAny leguminous flowering plant of the genus Securigera, known vernacularly alongside members of the genus Coronilla (from which this genus was separated) as crownvetches.
• senegaliaAny leguminous plant of the genus Senegalia, closely related to acacias, found across the Southern Hemisphere.
• serranidAny fish of the family Serranidae.
• sigmavirusAny virus of the genus Sigmavirus, affecting dipterans.
• siluridAny catfish of the Siluridae family.
• siphonophoreAny transparent marine hydrozoans, of the order Siphonophorae, that float or swim as colonies of polyps.