onychial · adjective1
By surface analysis, onychi(a) + -al, or, by surface analysis, onych(ia) + -ial.
onychial · adjective2
By surface analysis, onych- + -ial, or, by surface analysis, onych(ium) + -ial, or, by surface analysis, onychi(um) + -al.
Etymology from Wiktionary, CC BY-SA 4.0.