Denshi Jisho — Online Japanese dictionary

せつ furuncle
Noun 
節 せつ 1: occasion; time;
2: section (of a literary work); paragraph; verse; stanza; passage;
3: node (of a plant stem);
4: (Linguistic term) clause;
5: (taxonomical) section
Common word, Noun 
説 せつ theory
Common word, Noun, Noun suffix 
切 せつ eager; earnest; ardent; kind; keen; acute
Na-adjective, Noun 
刹 せつ 1: (Buddhist term) ksetra (realm, country);
2: pagoda; temple
Noun 
拙 せつ 1:
2: (Archaism) poor; weak; () (Humble (kenjougo) language) (Male term or language) I; me
Noun, Na-adjective 
褻 せつ informality; ordinariness
Noun, Archaism 
齣 せつ 1: act (of a Chinese drama); scene;
2: paragraph (esp. of an Edo-period novel); passage; section
Noun 
切り きり 1: end; finish; stop;
2: bounds; limits;
3: delivery date (of a futures contract);
4: finale (of a noh song); end of an act (in joruri or kabuki); final performance of the day (in vaudeville);
5: () counter for slices (esp. thick slices); counter for cuts (e.g. fish, meat);
6: (Particle) (Usually written using kana alone) only; just;
7: (Usually written using kana alone) since;
8: (Usually written using kana alone) remaining (in a particular state)
Common word, Noun 
切る きる 1: to cut (usu. to cut through);
2: to sever (connections, ties);
3: to turn off (i.e. the light);
4: to terminate (i.e. a conversation); to hang up (the phone); to disconnect;
5: to punch (a ticket); to tear off (a stub);
6: to open (something sealed);
7: to start;
8: to set (a limit);
9: to reduce; to decrease; to discount;
10: to shake off (water, etc.); to let drip-dry (or drain);
11: to cross;
12: to do (something noticeable);
13: to turn (a vehicle);
14: to cut (the ball);
15: to shuffle (cards);
16: to trump;
17: (in Go) to isolate (an opponent's stone);
18: () (after the -masu stem of a verb) to finish; to complete
Common word, Suffix, Godan verb with ru ending, Transitive verb 
切れ きれ 1: piece; slice; strip; scrap;
2: cloth;
3: sharpness;
4: (Counter) counter for scraps, pieces, etc.
Common word, Noun 
切れ ぎれ completely using up ...; running out of ...; exhausting ...
Noun suffix 
切手 きって stamp (postage); merchandise certificate
Common word, Noun 
切符 きっぷ ticket
Common word, Noun 
節度 せつど moderation; standard
Common word, Noun 
設備 せつび equipment; device; facilities; installation
Common word, Noun, Suru verb 
摂理 せつり (divine) providence; dispensation
Common word, Noun, Suru verb, No-adjective 
切子 きりこ facet; facetted object
Noun 
切籠 きりこ facet; facetted object
Noun 
切端 きりは face (of a wall of coal or ore, etc.); working face (of a mine)
Noun 
切羽 きりは face (of a wall of coal or ore, etc.); working face (of a mine)
Noun 
切身 きりみ cut; slice (meat, fish); fillet
Noun 
切地 きれじ cloth; fabric
Noun 
切字 きれじ punctuation words in haiku, renga, etc. such as "ya", "kana", "keri", etc.
Noun 
切痔 きれじ anal fistula; bleeding hemorrhoids
Noun 
切手 きれて man of ability
Noun 
切目 きれめ break; pause; gap; end; rift; interruption; cut; section; notch; incision; end (of a task)
Noun 

Found 521 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 切 せつ.

Try a Yahoo Jisho search for 切 せつ .
Try a Goo Jisho search for 切 せつ .
Try a Google search for 切 せつ .