Yeah vs. Yer

Yeahinterjection

Expressing joy, celebration, glee, etc.

Yeahadverb

not only so, but;

Yeahinterjection

non-standard spelling of yes, representing a pronunciation

Yeahnoun

non-standard spelling of yes, representing a pronunciation

Yeradverb

, yes.

Yernoun

Either of the letters ъ and ь in Cyrillic alphabets, which originally represented phonemically the ultra-short vowels in Slavic languages.

Yerpreposition

Ere; before.

Yer

A yer is either of two letters in Cyrillic alphabets: ъ (ѥръ, jerŭ) and ь (ѥрь, jerĭ). The Glagolitic alphabet used, as respective counterparts, the letters (Ⱏ) and (Ⱐ).