Real Dictionary

-otic in American English
of or affected with
suffix: an adjective suffix of Greek origin, often corresponding to nouns ending in -osis, denoting a relationship to an action, process, state, or condition indicated by the preceding element

-otic in British English
suffix forming adjectives: relating to or affected by

otic in American English
of or connected with the ear
adjective: of or pertaining to the ear; auricular

otic in British English
adjective: of or relating to the ear