(Greek: covering, covered, to cover; roof; by extension, secret, secret writing, applied to a secret code, codes, or ciphers that are hidden)

(Greek: heaven [s], vault of heaven; hence "the sky"; from Uranus, the god of the sky; in medicine, the palate, roof, or top of the mouth)

(Latin: chamber; from Greek kamara, anything with a vaulted or arched cover; a vault, arched ceiling, or roof)

(Latin: roof tile, overlapping like tiles or a pattern that looks like this; to lay so as to overlap)

(Latin: roof of the mouth)

(Greek: roof of the mouth; literally, "little vault of heaven")