booster

As a verb boosted

is (boost).

As a noun booster is

something that boosts.

As a noun booster

is something that boosts.

As a verb fooster is

(ireland) '', to bustle (move busily) or fidget.

As nouns the difference between boomster and booster

is that boomster is one engaged in booming the market or a political candidate for office; one who works up a boom while booster is something that boosts.

As nouns the difference between booster and booser

is that booster is something that boosts while booser is a boozer, toper, or guzzler.

As nouns the difference between rooster and booster

is that rooster is a male of any species of gallinaceous bird typically refers to the domestic chicken, while booster is something that boosts.

As nouns the difference between taxonomy and booster

is that taxonomy is the science or the technique used to make a classification while booster is something that boosts.

As nouns the difference between injection and booster

is that injection is the act of injecting, or something that is injected while booster is something that boosts.

As nouns the difference between booster and promoter

is that booster is something that boosts while promoter is one who promotes, particularly with respect to entertainment events or goods.

As nouns the difference between booster and backup

is that booster is something that boosts while backup is a reserve or substitute.

As an adjective backup is

standby, reserve or extra.