crypto-

alternative crypt-

1. Hidden, invisible.

   crypto- + zoology → cryptozoology (“the study of animals whose existence has not been proven”)

   1 more example

   crypto- + crystalline → cryptocrystalline (“whose crystalline nature only becomes apparent at high levels of magnification”)

2. Secret.

   crypto- + fascist → cryptofascist

   1 more example

   crypto- + -lect → cryptolect (“a secret language”)

3. Relating to cryptography, the study of secret communication.

   crypto- + function → cryptofunction

   1 more example

   crypto- + variable → cryptovariable

4. Cryptocurrency.

   crypto- + asset → cryptoasset

   1 more example

   crypto- + collectible → cryptocollectible