| UNGUAL | • ungual adj. (Biology) Pertaining to or resembling a creature’s nail, claw or hoof; unguinal. • ungual n. A modified toe bone, typically ending in a hoof or claw. • UNGUAL adj. of or bearing a claw, hoof, or talon. | 
| LINGUAL | • lingual adj. (Anatomy, dentistry, relational) Related to, near, or on the side toward the tongue. • lingual adj. (Linguistics, relational) Related to language or linguistics. • lingual n. (Phonetics) A sound articulated with the tongue. | 
| EXERGUAL | • exergual adj. Relating to the exergue. • EXERGUAL adj. relating to the exergue, the space on a coin, token or medal usually on the reverse below the date. | 
| BILINGUAL | • bilingual adj. Having the ability to speak two languages. • bilingual adj. Spoken or written in two different languages. • bilingual adj. Characterized by the use or presence of two languages. | 
| BOWLINGUAL | • BOWLINGUAL n. a device that allegedly translates a dog's bark and grunts into a human language. | 
| PRELINGUAL | • prelingual adj. Before learning language. • prelingual adj. (Anatomy) anterior to the tongue. • PRELINGUAL adj. before the use of language. | 
| SUBLINGUAL | • sublingual adj. (Medicine) Administered through placement under the tongue. • sublingual adj. (Anatomy) Situated beneath the tongue. • sublingual adj. (Anatomy) Of or pertaining to the sublingual gland. | 
| TRILINGUAL | • trilingual adj. Able to read or speak three languages. • trilingual adj. Expressed or written in three languages. • trilingual n. A person who speaks three languages. | 
| UNILINGUAL | • unilingual adj. Knowing or using a single language. • unilingual n. A person who understands only one language. • UNILINGUAL adj. in one language only. | 
| MONOLINGUAL | • monolingual adj. Knowing or using a single language; written or spoken in a single language. • monolingual n. A person who knows or uses only a single language; a monoglot. • MONOLINGUAL n. one who speaks one language only. | 
| POLYLINGUAL | • polylingual adj. Of or pertaining to multiple languages; multilingual. • polylingual adj. Able to use multiple languages. • POLYLINGUAL adj. involving many languages. | 
| DENTILINGUAL | • dentilingual adj. (Anatomy) Of or pertaining to the teeth and the tongue. • dentilingual adj. (Linguistics, of a sound) Produced with the tongue touching the teeth. • dentilingual n. (Linguistics, rare) A sound produced with the tongue touching the teeth. | 
| FISSILINGUAL | • fissilingual adj. (Zoology) Having the tongue forked. • FISSILINGUAL adj. having a forked or cleft tongue. | 
| INTERLINGUAL | • interlingual adj. (Linguistics, translation studies) Spanning multiple languages; having a multilingual flair or quality. • INTERLINGUAL adj. relating to an interlingua. | 
| MULTILINGUAL | • multilingual adj. Of, relating to, or involving multiple languages. • multilingual adj. (Of a person) able to communicate in a number of languages. • multilingual n. A polyglot. | 
| QUADRILINGUAL | • quadrilingual adj. Involving four languages. • quadrilingual adj. Of a text, written in four languages. • quadrilingual adj. Of a person, able to speak four languages. |