ケツ ケチ 
むす.ぶ ゆ.う ゆ.わえる 
() tie () contract
          
ゆう (v5u,vt) to do up (hair), to braid, to fasten, to fix
むすび (n) ending, conclusion, union
むすびつき (n) connection, relation
むすびつく (v5k) to be connected or related, to join together
むすびつき (n) connection, relation
むすぶ (v5b) (1) to tie, to bind, to link, (2) to bear (fruit)
けっか (n-adv,n-t) (1) result, consequence, outcome, effect, (n,vs) (2) coming to fruition, bearing fruit
けっかく (n) tuberculosis, tubercule
けっきょく (n-adv,n) after all, eventually, in the end
けっこう (adj-na,n-adv,n) (1) (uk) splendid, nice, wonderful, delicious, sweet, (adj-na) (2) sufficient, fine (in the sense of "I'm fine"), (by implication) no thank you, (3) well enough, OK, tolerable, (adv) (4) reasonably, fairly, tolerably, (n) (5) (arch) construction, architecture
けつごう (n,vs) combination, union, binding, catenation, coupling, joining
けっこん (n,adj-no,vs) marriage
けっこんしき (n) marriage ceremony, wedding, nuptials
けっこんあいて (n) marriage partner, spouse
けっしゃ (n) association, society
けっしゅう (n,vs) concentration, regimentation
けっしょう (n,vs) crystal, crystallization, crystallisation
けっせい (n,vs) formation, combination
けっそく (n,vs) union, unity
けったく (n,vs) conspiracy, collusion
けっとう (n,vs) formation of a party
けつまつ (n) end, conclusion
けつろん (n,vs,adj-no) conclusion

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Etymologies: 中文字譜 : 説文解字