おじ
伯父さん
1. uncleHonorific or respectful (sonkeigo) language, Familiar language, Usually written using kana alone, 伯父さん is older than one's parent and 叔父さん is younger
2. old man; misterFamiliar language, Usually written using kana alone, usu. 小父さん or おじさん; vocative
3. manybar goatfish (Parupeneus multifasciatus)Usually written using kana alone, usu. オジサン
叔父さん 【おじさん】、小父さん 【おじさん】、オジサン、オジさん
おじ
叔父ちゃん
1. middle-aged man; uncleUsually written using kana alone, Familiar language
伯父ちゃん 【おじちゃん】、小父ちゃん 【おじちゃん】
さま
おじ様
1. uncleHonorific or respectful (sonkeigo) language, Familiar language, Usually written using kana alone, Dated term
2. old man; misterHonorific or respectful (sonkeigo) language, Familiar language, Usually written using kana alone, Dated term, Only applies to おじ様
叔父様 【おじさま】、伯父様 【おじさま】
伯父様: Rarely-used kanji form.