American spelling vs lip synchronization

American spelling and lip synchronization both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
lip synchronization	Yes	No	No	No

American spelling (noun)	lip synchronization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	combining audio and video recording in such a way that the sound is perfectly synchronized with the action that produced it; especially synchronizing the movements of a speaker's lips with the sound of his speech