Denshi Jisho — Online Japanese dictionary

一匕 いっぴ 1: (Obscure term) one spoon;
2: one dagger
Noun 
一日 いっぴ first day of the month
Noun 
一臂 いっぴ (a) (helping) hand; one's bit
Noun 
一に いつに solely; entirely; only; or
Adverb 
一寸 ちょと 1:
2: (Usually written using kana alone) just a minute; short time; just a little;
3: somewhat; easily; readily; rather;
4: (before a verb in negative form) (will not) easily; (Interjection) hey!
Adverb 
一日 ひとえ 1: first day of the month;
2: one day
Out-dated or obsolete kana, Noun 
一季 ひとき 1: one season;
2: one year (esp. as an Edo-period duration of employment)
Adverbial noun, Temporal noun 
１つ ひとつ 1: one;
2: (Noun) for one thing (often used in itemized lists);
3: (after a noun) only;
4: (with a verb in negative form) (not) even;
5: (Adverbial noun) just (i.e. "just try it")
Numeric 
一手 ひとて 1: one hand;
2: one's own effort
Noun 
一幅 ひとの single breadth (cloth measurement, 30-38 cm)
Noun 
一葉 ひとは 1: one leaf;
2: (Archaism) one boat
Noun 
一日 ひとひ 1: first day of the month;
2: one day
Out-dated or obsolete kana, Noun 
一間 ひとま one room
Noun 
一夜 ひとや one night; all night; overnight; one evening
Adverbial noun, Temporal noun 
一夜 ひとよ one night; all night; overnight; one evening
Adverbial noun, Temporal noun 
一々 いちいち one by one; separately
Common word, Adverb, Noun 
一一 いちいち one by one; separately
Common word, Adverb, Noun 
一員 いちいん person; member
Common word, Noun 
一因 いちいん cause
Common word, Noun 
一円 いちえん whole district; one yen; throughout
Common word, Adverb, Noun 
一応 いちおう once; tentatively; in outline; for the time being; just in case; so far as it goes
Common word, Adverb 
一億 いちおく 100,000,000; one hundred million
Common word, Noun 
一月 いちがつ January
Common word, Adverbial noun 
一丸 いちがん lump; (into) one
Common word, Noun 
一隅 いちぐう corner; nook
Common word, Noun 
一軍 いちぐん an army; the whole army; first string players (sports)
Common word, Noun, No-adjective 

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