Denshi Jisho — Online Japanese dictionary

1: seven;
2: (Prefix) hepta-
Numeric 
しち 1: seven;
2: (Prefix) hepta-
Common word, Numeric 
なな 1: seven;
2: (Prefix) hepta-
Numeric 
五三 しめ 1: (Shinto) rope used to cordon off consecrated areas or as a talisman against evil;
2: (Archaism) cordoned off
Irregular kanji usage, Noun 
ななつ seven
Common word, Numeric 
なのか 1: the seventh day of the month;
2: seven days
Common word, Adverbial noun 
しちみ 1: seven delicious flavors (flavours);
2: (Abbreviation) blend of seven spices (cayenne, sesame, Japanese pepper, citrus peel, etc.); shichimi
Noun 
しちや celebration of a child's seventh day
Noun 
ななえ sevenfold; seven-ply
Noun, No-adjective 
ななそ seventy
Noun 
なぬか 1: the seventh day of the month;
2: seven days
Adverbial noun 
しちがつ July
Common word, Adverbial noun 
たなばた Festival of the Weaver (July 7th); Star Festival (one of the five annual festivals)
Common word, Noun 
しちけん 1: the Seven Wise Men (of Confucius's Analects);
2: Seven Sages of the Bamboo Grove
Noun 
しちさん 7 or 3 ratio; hair parted on one side
Noun 
しちしゅ seven orders of Buddhist disciples (monks, nuns, probationary nuns, male novices, female novices, male lay devotees, female lay devotees)
Noun 
しちせい Big Dipper; Ursa Major
Noun, Archaism 
しちせき Festival of the Weaver (July 7th); Star Festival (one of the five annual festivals)
Noun 
しちせき seventh of nine traditional astrological signs (corresponding to Venus and west)
Noun 
殿 しちでん seven residential pavilions for court ladies (in the inner Heian Palace)
Noun 
しちどう the seven districts of ancient Japan
Noun 
しちなん 1: (Buddhist term) the Seven Misfortunes;
2: great number of faults or defects
Noun 
しちぶつ the seven previous incarnations of Buddha
Noun, Abbreviation 
しちぶん type of baggy tobi trousers with the baggy part taking up seven-tenths of the full length of the trouser leg
Noun 
しちよう 1: the seven luminaries (sun, moon, Mercury, Venus, Mars, Jupiter and Saturn);
2: the seven days of the week
Noun 
しちりん earthen charcoal brazier (for cooking)
Noun 
しちりん earthen charcoal brazier (for cooking)
Noun 
しっぽう 1:
2: (Buddhist term) the 7 treasures (gold, silver, pearls, agate, crystal, coral, lapis lazuli); () cloisonne
Noun 

Found 137 words. Page one, two, three, four, five

You can also

Look up kanji details for 七.

Try a Yahoo Jisho search for 七 .
Try a Goo Jisho search for 七 .
Try a Google search for 七 .