Denshi Jisho — Online Japanese dictionary

双 そう pair
Common word, Noun, Noun suffix, Counter 
無双 むそう peerless; unparalleled; unparallelled; matchless
Noun, No-adjective 
一双 いっそう pair (esp. of folding screens)
Noun 
八双 はっそう style of sword fighting
Noun 
内無双 うちむそう inner-thigh-propping twist down (sumo)
Noun 
外無双 そとむそう outer-thigh-propping twist down (sumo)
Noun 
国士無双 こくしむそう 1: distinguished person;
2: Thirteen Orphans (high-scoring mahjong hand)
Noun 
古今無双 ここんむそう unparalleled in history
Expression 
天下無双 てんかむそう peerless; unequaled; unequalled
Na-adjective, No-adjective, Noun 
海内無双 かいだいむそう unparalleled in the whole country
Noun 
怪力無双 かいりきむそう (a person of) unrivaled physical strength
Noun, No-adjective 
当代無双 とうだいむそう being unsurpassed (unparalleled) at present
Noun, No-adjective 
国色無双 こくしょくむそう (a woman of) unparalleled beauty; (a woman's beauty being) matchless throughout the land
Noun, No-adjective 
忠勇無双 ちゅうゆうむそう of peerless loyalty and bravery
Noun, No-adjective 

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