crypto-, crypt-
(Greek: hidden, secret, secrets, secret writing; by extension, applied to secret code or ciphers)
A form of printing telegraph messages that is adopted so it prints secret or private communications.
trichocryptosis
Any disease of the hair follicles.
Something that is hidden in fossil wood.
A cross reference of other word family units that are related directly, or indirectly, to: "secret, hidden, confidential, concealed": ceal-; clandesti-; myster-; occult-; orgy; stego-, stegano-.