floom

As a noun floom

is (us|archaic) a flume, as in a mill flume.

As an interjection foom is

the sound of a muffled explosion.

As nouns the difference between gloom and floom

is that gloom is darkness, dimness or obscurity while floom is (us|archaic) a flume, as in a mill flume.

As a verb gloom

is to be dark or gloomy.

As a proper noun flood

is (biblical) the flood referred to in the book of genesis in the old testament.

As a noun floom is

(us|archaic) a flume, as in a mill flume.

As nouns the difference between floor and floom

is that floor is the bottom or lower part of any room; the supporting surface of a room while floom is a flume, as in a mill flume.

As a verb floor

is to cover or furnish with a floor.

As nouns the difference between flume and floom

is that flume is a ravine or gorge, usually one with water running through while floom is a flume, as in a mill flume.