lingual

nouns

a consonant that is produced with the tongue and other speech organs
is a type of (narrower)
a speech sound that is not a vowel

adjectives

consisting of or related to language
"linguistic behavior"; "a linguistic atlas"; "lingual diversity"
is derived from
pertains to
pertaining to or resembling or lying near the tongue
"lingual inflammation"; "the lingual surface of the teeth"
is derived from
pertains to