Denshi Jisho — Online Japanese dictionary

けご silkworm (in the first or second instar)
Noun 
かいこ silkworm (Bombyx Mori)
Common word, Noun, Usually written using kana alone 
あきご autumn silkworms; fall silkworms
Noun 
かさん domesticated silkworm
Noun 
ぎさん silkworm (in the first or second instar)
Noun 
くわこ wild silkworm moth (Bombyx mandarina)
Noun, Usually written using kana alone 
くわこ wild silkworm moth (Bombyx mandarina)
Noun, Usually written using kana alone 
くわご wild silkworm moth (Bombyx mandarina)
Noun, Usually written using kana alone 
くわご wild silkworm moth (Bombyx mandarina)
Noun, Usually written using kana alone 
ごかい ragworm; sandworm; clam worm (Hediste)
Noun, Usually written using kana alone 
ごかい ragworm; sandworm; clam worm (Hediste)
Irregular kanji usage, Noun, Usually written using kana alone 
なつご summer silkworms
Noun 
はるご spring breed of silkworm
Noun 
やさん wild silkworm
Noun 
ようさん sericulture; silkworm culture
Common word, Noun, No-adjective 
てんさん Japanese oak silkmoth (Antheraea yamamai)
Noun, Usually written using kana alone 
とびけら caddisfly; caddis fly (any moth-like insect of the order Trichoptera)
Noun, Usually written using kana alone 
やままゆ Japanese oak silkmoth (Antheraea yamamai)
Noun, Usually written using kana alone 
えり えりさん eri silkmoth (Samia cynthia ricini); eri silkworm
Noun, Usually written using kana alone 
草石 ちょろぎ Chinese artichoke (Stachys sieboldii); Japanese artichoke; chorogi
Noun, Usually written using kana alone 
いさごむし caddis worm; caddis-worm (caddisfly larva)
Noun 
しゅうさん autumn silkworms; fall silkworms
Noun 
草石 ちょうろぎ Chinese artichoke (Stachys sieboldii); Japanese artichoke; chorogi
Noun, Usually written using kana alone 
与那国 よなぐにさん atlas moth (Attacus atlas)
Noun, Usually written using kana alone 
三眠 さんみんかいこ three-molt silkworm
Noun 
玉敷沙 たましきごかい Arenicola brasiliensis (species of lugworm)
Noun, Usually written using kana alone 

Found 26 words.

You can also

Look up kanji details for *蚕.

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