座 ZA, suwa(ru) - sit, seat, theater, constellation
筋 KIN, suji - muscle, tendon, line, reason, plot
卒 SOTSU - soldier, private, end
砲 HOU - gun, cannon
鵬 HOU, ootori - Peng, a legendary Chinese bird
All take 大 (DAI, oo(kii) - big) in front to make a word, but only 筋 uses the "Oo" reading (oosuji); the others are all "Tai/Dai-":
大座 DAIZA - throne
大筋 oosuji - outline, main point
大卒 DAISOTSU - college graduate
大砲 TAIHOU - cannon
大鵬 TAIHOU - Name of a Sumo Wrestler