Denshi Jisho — Online Japanese dictionary

草 くさ 1: grass; weed; herb; thatch;
2:
3: (Archaism) ninja; (Prefix) not genuine; substandard
Common word, Noun 
草 そう 1: (Abbreviation) draft; rough copy;
2: cursive script; "grass" kanji
Noun 
莎草 くぐ Pacific island flatsedge (Cyperus cyperoides)
Noun, Usually written using kana alone 
草綿 わた 1: (Usually written using kana alone) cotton plant (Gossypium spp.);
2: batting; wadding; padding
Noun 
起草 きそう drafting; draughting; drawing up a bill
Common word, Noun, Suru verb 
草木 くさき plants; vegetation
Common word, Noun 
仕草 しぐさ action; acting; gesture; bearing; treatment; behavior; behaviour
Common word, Noun 
草履 ぞうり zori (Japanese footwear sandals)
Common word, Noun 
煙草 たばこ tobacco (por: tabaco); cigarettes
Common word, Gikun (meaning) reading, Noun, Usually written using kana alone 
通草 あけび 1: chocolate-vine (Akebia quinata); fiveleaf; fiveleaf akebia;
2: (Food term) fruit of the akebia
Noun 
藺草 いぐさ soft rush (Juncus effusus var. decipiens)
Noun, Usually written using kana alone 
遺草 いそう posthumous works
Noun 
草地 くさち meadow; grassland
Noun 
草葉 くさば blades of grass
Noun 
草屋 くさや thatched hut
Noun 
枯草 こそう dry grass; dead grass; hay; withered grass
Noun 
草花 そうか flower; flowering plant
Noun 
草子 そうし 1: written work (esp. a bound text, as opposed to a scroll);
2: a text written entirely in kana;
3: graphic novel (esp. one created between the 12th and 19th centuries);
4: notebook (for practicing kana, drawing pictures, etc.);
5: rough draft
Noun 
草紙 そうし 1: written work (esp. a bound text, as opposed to a scroll);
2: a text written entirely in kana;
3: graphic novel (esp. one created between the 12th and 19th centuries);
4: notebook (for practicing kana, drawing pictures, etc.);
5: rough draft
Noun 
草地 そうち meadow; grassland
Noun 
烟草 たばこ tobacco (por: tabaco); cigarettes
Gikun (meaning) reading, Noun, Usually written using kana alone 
千草 ちくさ 1: great variety of flowering plants;
2: (Abbreviation) light greenish-blue
Noun 
千草 ちぐさ 1: great variety of flowering plants;
2: (Abbreviation) light greenish-blue
Noun 
砥草 とくさ scouring rushes; Equisetum hyemale; common horsetail
Noun 
野草 のぐさ wild grasses; field grass; wildflowers
Noun 
目草 まぐさ lintel; lintel beam
Noun 

Found 502 words. Page one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

You can also

Look up kanji details for *草*.

Try a Yahoo Jisho search for *草* .
Try a Goo Jisho search for *草* .
Try a Google search for *草* .