How do you say uncle in Japanese?
— (older) 伯父 (oji, hakufu) (humble); 伯父さん (ojisan); (polite); 伯父貴 (ojiki) (honorific) (younger) 叔父 (oji, shukufu) (humble); 叔父さん (ojisan) (polite); 叔父貴 (ojiki) (honorific)

Antonyms for uncle in Japanese
auntおば (oba); 叔母 (おば, oba); 伯母 (おば, oba)