As adjectives the difference between conventional and custom

is that conventional is pertaining to a convention, as in following generally accepted principles, methods and behaviour while custom is made in a different way from usual, specially to fit one's needs.

As nouns the difference between conventional and custom

is that conventional is a conventional gilt-edged security, a kind of bond paying the holder a fixed cash payment (or coupon) every six months until maturity, at which point the holder receives the final payment and the return of the principal while custom is frequent repetition of the same behavior; way of behavior common to many; ordinary manner; habitual practice; usage; method of doing, living or behaving.

As a verb custom is

to make familiar; to accustom.

As nouns the difference between creationists and evolutionist

is that creationists is plural of lang=en while evolutionist is a proponent or supporter of evolutionism.

As adjectives the difference between colossal and amazing

is that colossal is extremely large or on a great scale while amazing is causing wonder and amazement; possessing uniquely wonderful qualities.

As a verb amazing is

present participle of lang=en.

As adverbs the difference between favorably and preferentially

is that favorably is in a favorable manner while preferentially is in a preferential manner.

As adverbs the difference between essentially and popularly

is that essentially is in an essential manner; in essence while popularly is in a popular manner; so as to be generally favored or accepted by the people; commonly; currently; as, the story was popularly reported.

As nouns the difference between bulk and chunk

is that bulk is size, mass or volume while chunk is a part of something that has been separated.

As verbs the difference between bulk and chunk

is that bulk is to appear or seem to be, as to bulk or extent while chunk is to break into large pieces or chunks.

As an adjective bulk

is being large in size, mass or volume (of goods, etc..

As a noun income

is money]] one earns by working or by [[capitalise|capitalising on the work of others.

As a verb excise is

.

As adjectives the difference between flirtatious and kittenish

is that flirtatious is of or pertaining to flirtation while kittenish is having the qualities or likeness of a kitten.

As an adjective tremendous

is awe-inspiring; terrific.

As an adverb preferentially is

in a preferential manner.

As a noun onion

is a monocotyledonous plant (allium cepa ), allied to garlic, used as vegetable and spice.

As an acronym cow is

(computing).