突き 【つき】 thrust, stab, lunge, pass (in fencing)
突然 【とつぜん】 abrupt, sudden, unexpected
衝突 【しょうとつ】 collision, crash, impact, running into
突破 【とっぱ】 breaking through, breakthrough, penetration
突っ込む 【つっこむ】 to thrust (something) into (something), to cram, to stuff, to shove
突っ張る 【つっぱる】 to cramp up, to tighten, to stiffen
突入 【とつにゅう】 rushing into, breaking into, storming
突っ張り 【つっぱり】 prop, strut, support, brace, bar
突き当たる 【つきあたる】 to run into, to collide with, to crash into, to bump against
突き上げる 【つきあげる】 to push up, to force up, to toss
追突 【ついとつ】 rear-end collision
突如 【とつじょ】 suddenly, all of a sudden
突出 【とっしゅつ】 projection, protrusion
突起 【とっき】 protuberance, projection, prominence, bump, boss, process, apophysis
突進 【とっしん】 rush, charge