As an adverb incredibly

is (manner) in an incredible manner; not to be believed.

As a noun squillionaire is

(humorous) an incredibly rich person.

As an adjective rich

is as hell, very .

As a noun squillionaire is

(humorous) an incredibly rich person.

Zillionaire is a synonym of squillionaire.

In humorous|lang=en terms the difference between zillionaire and squillionaire

is that zillionaire is (humorous) an incredibly rich person while squillionaire is (humorous) an incredibly rich person.

As nouns the difference between zillionaire and squillionaire

is that zillionaire is (humorous) an incredibly rich person while squillionaire is (humorous) an incredibly rich person.

As an adverb incredibly

is (manner) in an incredible manner; not to be believed.

As a noun zillionaire is

(humorous) an incredibly rich person.

As an adjective rich

is wealthy: having a lot of money and possessions.

As a verb rich

is to enrich.

As a proper noun Rich

is a diminutive=Richard given name.

As a noun zillionaire is

an incredibly rich person.

As nouns the difference between gramophone and gramophonist

is that gramophone is (obsolete) a grammy while gramophonist is someone who listens to a gramophone.

As a noun gramophone

is (obsolete) a grammy.

As an adjective gramophonic is

of or pertaining to the gramophone.

As nouns the difference between gramophone and gramophony

is that gramophone is (obsolete) a grammy while gramophony is the business or study of gramophones.

As a noun grandmother

is a mother of someone's parent.

As an adjective grandmaternal is

of or relating to a grandmother.

As a noun grandfather

is a father of someone’s parent.

As a verb grandfather

is to retain existing laws or rules only for those people or organisations that were previously affected by them, and apply new laws or rules to the unaffected people or organizations.

As an adjective grandpaternal is

of or relating to a grandfather.