Cases of word usage

1) (of a volcano) to burst or break out (suddenly) (with smoke and very hot semiliquid substance called lava) (erupt)

2) (to cause something) to burst with a loud noise; (of a person) to show violent emotion (explode)

3) likely to burst into flames and to burn quickly (flammable)

4) a sudden burst of flame or light; a sudden idea, realization etc (flash)

5) (to cause something) to catch fire or burst into flames or flaming colour; to encourage (strong, feeling, interest etc) (kindle)

6) not able to burst into flames (non-flammable)