suffix
-like nature; -ish temperament
Suffix attached to nouns or adjectives to describe a person's inherent disposition or the character of something. Often used in compounds like 子供気 (childlike nature) or 男気 (manly spirit).
彼にはどこか子供気がある。
He has a somewhat childlike nature.
あの人は職人気が強い。
That person has a strong artisan temperament.