AEUNQSI

Make words with I

Never: plural or third-person -S suffix

ANISE ASININE ASSASSIN EASINESS ENNUI EQUINE INANE INANENESS INNIE INSANE ISSUE NINE QUASI QUEASINESS SANSEI SENSEI NISEI QUININE SUNI SEISIN SEQUIN SIENNA SINE SINUS SISS SISSINESS UNEASINESS UNIQUE UNIQUENESS

Pangrams: QUEASINESS

SANSEI: a child of NISEi (first-generation American couple), thus second-generation Japanese-American... Curious specificity, no?

SENSEI: Martial arts teacher

SUNI: a delicate antelope

SEISIN: the posession of land or chattels