common

/MU/    /BU/    な.い/na.i/MU//    BU//    na.i/な.い/

nothingness;  none;  ain't;  nothing;  nil;  not

Radical: (fire).   Strokes: 12画.   Elements: |ノ一灬.   Pinyin: / .   Hangul:  [mu].

Jōyō Kanji 4th Grade.

Example compounds:
MUむしmushi】selflessness; unselfish
競争むきょうそうmukyōsō】lacking opposition or competition
政府主義むせいふしゅぎmuseifushugi】(doctrine of) anarchism
BUぶぜいbuzei】outnumbered; overwhelmed
愛想ぶあいそうbuaisō】unsociability; bluntness
作法ぶさほうbusahō】ill-mannered; rude
nai素っ気そっけないsokkenai】cold; short; curt; blunt
取り止めのとりとめのないtoritomenonai】incoherent; wandering; vague; rambling; whimsical
申し分のもうしぶんのないmōshibunnonai】no objection; nothing to criticize (criticise)
Codepoints and classification codes:
7121Unicode
44-21JIS X 0208
2-2-10SKIP
4d8.8TKD
8033.1Four Corner
2340De Roo
Dictionary indices:
2773Classic Nelson
3439The New Nelson Character Dictionary by A. Nelson
2135New Japanese-English Character Dictionary by J. Halpern
1351Kanji Learner's Dictionary by J. Halpern
1775Remembering the Kanji by J. Heisig
227A New Dictionary of Kanji Usage (Gakken)
1789Japanese Names by P.G. O'Neill
386Essential Kanji by P.G. O'Neill
19113Daikanwajiten 「大漢和辞典」 by T. Morohashi vol. 7 p. 426
796A Guide to Remembering Japanese Characters by K.G. Henshall
93Kanji & Kana by Spahn and Hadamitzky
723Guide to Reading & Writing Japanese (H) by F. Sakade
715Kanji Flashcards by M. Hodges and T. Okazaki
620Guide to Reading & Writing Japanese: Third Edition 3rd edition by Henshall
600Tuttle Kanji Cards by A. Kask
179The Kanji Way to Japanese Language Power by D. Crowley
400Kanji in Context by Nishiguchi and Kono
1280Kodansha Compact Kanji Guide
1791Y. Maniette's French adaptation of Heisig