don

As nouns the difference between don and support

is that don is (science) (dissolved organic nitrogen) while support is something which supports often used attributively, as a complement or supplement to.

As a verb support is

(senseid)to keep from falling.

As nouns the difference between don and peter

is that don is (science) (dissolved organic nitrogen) while peter is (hypocoristic slang ) the penis.

As a verb peter is

(most often used in the phrase peter out) to dwindle; to trail off; to diminish to nothing.

As an acronym put

is (software|testing).

As an initialism put

is (electronics).

As a noun don is

(science) (dissolved organic nitrogen).

As nouns the difference between alfredo and don

is that alfredo is (cooking) while don is (science) (dissolved organic nitrogen).

As nouns the difference between don and act

is that don is (science) (dissolved organic nitrogen) while act is (countable) something done, a deed.

As a verb act is

to do something.

As a noun don

is (science) (dissolved organic nitrogen).

As an adjective undefined is

lacking a definition or value.

As a noun don

is (science) (dissolved organic nitrogen).

As a verb donned is

(don).

As nouns the difference between dub and don

is that dub is (music) a mostly instrumental remix with all or part of the vocals removed or dub can be (uk|dialect) a pool or puddle or dub can be (slang) a twenty dollar sack of marijuana or dub can be (rare) a blow while don is (science) (dissolved organic nitrogen).

As a verb dub

is (lb) to confer knighthood; the conclusion of the ceremony was marked by a tap on the shoulder with the sword or dub can be to make a copy from an original or master audio tape or dub can be to make a noise by brisk drumbeats.

As a proper noun king

is the title of a king.

As a noun don is

(science) (dissolved organic nitrogen).

As a proper noun john

is very popular since the middle ages.

As a noun don is

(science) (dissolved organic nitrogen).