Denshi Jisho — Online Japanese dictionary

雄鹿 おか buck (male deer)
Out-dated or obsolete kana, Noun 
大鋸 おが large saw; framed pit saw
Noun 
男木 おぎ 1: male plant (esp. a woody plant); androecious plant;
2: tenoned part of a wooden joint (in construction)
Noun 
雄木 おぎ 1: male plant (esp. a woody plant); androecious plant;
2: tenoned part of a wooden joint (in construction)
Noun 
措く おく to give up; to except
Godan verb with ku ending 
お子 おこ (someone else's) child
Noun, Polite language 
尾籠 おこ indecent; indelicate
Noun 
御子 おこ (someone else's) child
Noun, Polite language 
御々 おご another's wife or daughter
Noun, Archaism, Honorific or respectful language 
御御 おご another's wife or daughter
Noun, Archaism, Honorific or respectful language 
海髪 おご ogo (seaweed)
Noun 
圧し おし weight; pressing down; commanding presence; authority
Noun 
御師 おし low-ranking Shinto priest
Noun 
鴛鴦 おし mandarin duck
Noun 
小父 おじ (used with suffix -san or -sama) endearing term for unrelated older man; (with suffix -san) term used by a child to address unrelated adult male
Noun 
祖父 おじ grandfather
Noun, No-adjective 
老翁 おじ old man
Out-dated or obsolete kana, Noun 
圧す おす to apply pressure from above; to press down
Godan verb with su ending, Transitive verb 
押忍 おす greeting used between close male friends; Hi!; yes sir!; yo!
Interjection, Usually written using kana alone 
捺す おす to stamp (i.e. a passport); to apply a seal
Godan verb with su ending, Transitive verb 
悪阻 おそ morning sickness
Noun, No-adjective 
小田 おだ rice field (usu. small)
Noun, Archaism 
堕つ おつ 1: to fall down; to drop;
2: to fail (e.g. exam);
3: to crash; to degenerate; to degrade
Godan verb with tu ending, Intransitive verb 
墜つ おつ 1: to fall down; to drop;
2: to fail (e.g. exam);
3: to crash; to degenerate; to degrade
Godan verb with tu ending, Intransitive verb 
落つ おつ 1: to fall down; to drop;
2: to fail (e.g. exam);
3: to crash; to degenerate; to degrade
Godan verb with tu ending, Intransitive verb 
お手 おて 1:
2: (Polite language) hand; arm;
3: (Honorific or respectful language) handwriting; penmanship; (Interjection) 'shake' (command to have a dog place its paw in your hand)
Noun 

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