As nouns the difference between lurch and tumble
is that
lurch is a sudden or unsteady movement or
lurch can be an old game played with dice and counters; a variety of the game of tables while
tumble is a fall.
As verbs the difference between lurch and tumble
is that
lurch is to make such a sudden, unsteady movement or
lurch can be (obsolete) to swallow or eat greedily; to devour; hence, to swallow up while
tumble is (
lb) to fall end over end.