Denshi Jisho — Online Japanese dictionary

単 たん 1: single; simple;
2: (Noun) (Abbreviation) singles (in tennis);
3: (Abbreviation) winning system (as in horse racing)
Prefix 
単 ひとえ one layer; single; onefold
Common word, Noun, No-adjective 
油単 ゆたん oilcloth
Noun 
簡単 かんたん simple; easy; brief; uncomplicated
Common word, Na-adjective, Noun 
巾単 きんたん unipotent
Na-adjective 
菜単 さいたん menu (at a Chinese restaurant)
Noun 
伝単 でんたん leaflet
Noun 
指定単 していたん designated money trust
Noun 
十二単 じゅうにひとえ 1: twelve-layered ceremonial kimono (worn by a court lady);
2: ajuga (Ajuga nipponensis); bugle
Noun 

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