伴天連[bateren] Portuguese Jesuits (in Japan in the 16th century)
相伴う[aitomonau] to accompany
同伴[douhan] to accompany
同伴者[douhansha] companion
伴なう[tomonau] to accompany

伴食[banshoku] eating with a guest
伴僧[bansou] priests assisting at a Buddhist service
伴奏[bansou] (musical) accompaniment
伴奏部[bansoubu] accompaniment

御馳走様でした[gochisousamadeshita] That was a delicious meal (said after meals)
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一走り[hitohashiri] spin
逸走[issou] escape
駅伝競走[ekidenkyousou] long-distance relay race

快走[kaisou] fast sailing (running)
滑走[kassou] glide
滑走路[kassouro] runway
完走[kansou] running the race
競走[kyousou] race