As adverbs the difference between sideways and diagonally

is that sideways is with a side to the front while diagonally is in a diagonal manner, not square to any direction.

As a noun sideways

is .

As an adjective sideways

is moving or directed toward one side.

As a noun phantasms

is .

As an adjective fantastic is

fantastic.

As verbs the difference between reestablished and reinstituted

is that reestablished is (reestablish) while reinstituted is (reinstitute).

As a noun scourge

is (uncountable) a source of persistent trouble such as pestilence that causes pain and suffering or widespread destruction.

As a verb scourge

is to strike with a scourge , to flog.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between corrosion and decomposition

is that corrosion is corrosion while decomposition is decomposition.

As a noun tumeric

is .

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun pair

is two similar or identical things taken together; often followed by of.

As a verb pair

is to group into sets of two or pair can be (obsolete) to impair.

As a proper noun paris is

(label) (trojan prince).

As a verb desensitise

is .

As an adjective undefined is

lacking a definition or value.

As nouns the difference between rhyme and lyrics

is that rhyme is (obsolete) number while lyrics is the words to a song (or other vocal music).

As a verb rhyme

is (obsolete) to number; count; reckon.