Answer:
They should end up like this. 長+短 液+塊 競+協 背+拒 噴+吸
長 CHOU, naga(i) - long
短 TAN, mijika(i) - short
液 EKI - liquid, fluid
塊 KAI, katamari - lump, clod, clump
競 KYOU, KEI, kiso(u) - compete, vie, bid
協 KYOU - cooperation
背 HAI, se, somu(ku), somu(keru) - back, height, act contrary to, avert
拒 KYO, koba(mu) - refuse, decline
噴 FUN, fu(ku) - emit, spout, spew
吸 KYUU, su(u) - suck, inhale, smoke