crumbler

As a verb crumbled

is (crumble).

As a noun crumbler is

agent noun of crumble; one who crumbles.

As nouns the difference between rumbler and crumbler

is that rumbler is one who, or that which, rumbles while crumbler is agent noun of crumble; one who crumbles.

As nouns the difference between grumbler and crumbler

is that grumbler is a person who persistently grumbles; a complainer while crumbler is agent noun of crumble; one who crumbles.

As nouns the difference between crumpler and crumbler

is that crumpler is someone or something that crumples while crumbler is agent noun of crumble; one who crumbles.

As nouns the difference between crumbles and crumbler

is that crumbles is plural of lang=en while crumbler is agent noun of crumble; one who crumbles.

As a verb crumbles

is third-person singular of crumble.

As a noun crumbler

is agent noun of crumble; one who crumbles.

As an adjective crumblier is

(crumbly).

As nouns the difference between crumbler and crumber

is that crumbler is agent noun of crumble; one who crumbles while crumber is (australian rules football) a player who waits around a marking contest aiming to get the ball if it falls down to the ground (because the opposing players leaping for it have spoiled each others efforts).

As an adjective crumbier

is comparative of crumby.

As a noun crumbler is

agent noun of crumble; one who crumbles.

As nouns the difference between crumbler and crumblet

is that crumbler is agent noun of crumble; one who crumbles while crumblet is a small crumb.