Denshi Jisho — Online Japanese dictionary

頓に とみに suddenly; all at once; rapidly
Adverb 
頓悟 とんご sudden enlightenment
Noun, Suru verb, Buddhist term 
頓挫 とんざ setback; at a standstill or impasse
Noun, Suru verb 
頓死 とんし sudden death
Noun, Suru verb 
頓智 とんち (quick or ready) wit
Noun 
頓知 とんち (quick or ready) wit
Noun 
頓と とんと 1: (Onomatopoeic or mimetic word) (Usually written using kana alone) completely;
2: (Onomatopoeic or mimetic word) (Usually written using kana alone) not at all
Ateji (phonetic) reading, Adverb 
頓馬 とんま idiot; fool; dope
Na-adjective, Noun 
頓て やがて 1: (Usually written using kana alone) before long; soon;
2: (Usually written using kana alone) almost; nearly;
3: (Usually written using kana alone) finally; in the end; eventually
Adverb 
とんとん tap; rap-tap; tapping
Common word, Na-adjective, Adverb, Noun, Adverb taking the 'to' particle, Onomatopoeic or mimetic word 
頓 ひたすら nothing but; earnest; intent; determined; set on (something)
Na-adjective, Adverb, Usually written using kana alone 
頓 ひたぶる nothing but; earnest; intent; determined; set on (something)
Na-adjective, Adverb, Usually written using kana alone 
頓才 とんさい wit
Noun 
頓首 とんしゅ 1:
2: (Honorific or respectful language) Respectfully yours; () kowtowing; kowtow
Noun 
頓首 とんじゅ 1:
2: (Honorific or respectful language) Respectfully yours; () kowtowing; kowtow
Noun 
頓敵 とんてき thoughtlessness; thoughtless person
Noun, Archaism 
頓的 とんてき thoughtlessness; thoughtless person
Noun, Archaism 
頓服 とんぷく dose of medicine to be taken only once
Noun, Suru verb 
頓痴気 とんちき numbskull; dimwit; idiot; fool; dope
Noun, Male term or language, Usually written using kana alone, Slang 
豚とろ とんとろ fatty pork (from cheek, neck or shoulder)
Noun 
豚トロ とんトロ fatty pork (from cheek, neck or shoulder)
Noun 
頓狂 とんきょう wild; in disarray
Na-adjective, Noun 
頓着 とんじゃく being concerned about or mindful of
Noun, Suru verb 
頓着 とんちゃく being concerned about or mindful of
Noun, Suru verb 
頓珍漢 とんちんかん absurdity; contradiction; incoherence; irrelevance
Ateji (phonetic) reading, Na-adjective, Noun, Usually written using kana alone 
頓服薬 とんぷくやく dose of medicine to be taken only once
Noun 
頓着ない とんじゃくない indifferent; unconcerned
Adjective 
頓着無い とんじゃくない indifferent; unconcerned
Adjective 
頓着ない とんちゃくない indifferent; unconcerned
Adjective 
頓着無い とんちゃくない indifferent; unconcerned
Adjective 
頓首再拝 とんしゅさいはい Respectfully yours
Noun, Honorific or respectful language 
とんとん拍子 とんとんびょうし without a hitch; swimmingly; with rapid strides
Adverb 
トントン拍子 トントンびょうし without a hitch; swimmingly; with rapid strides
Adverb 

Found 33 words.

You can also

Look up kanji details for 頓 とんと.

Try a Yahoo Jisho search for 頓 とんと .
Try a Goo Jisho search for 頓 とんと .
Try a Google search for 頓 とんと .