mudguard vs splash guard

mudguard and splash guard both are nouns.

Word	Noun	Adjective	Verb	Adverb
mudguard	Yes	No	No	No
splash guard	Yes	No	No	No

As nouns, mudguard and splash guard are synonyms defined as:

mudguard and splash guard: a curved piece above the wheel of a bicycle or motorcycle to protect the rider from water or mud thrown up by the wheels

Other synonyms of mudguard include splash-guard.

mudguard (noun)	splash guard (noun)
a curved piece above the wheel of a bicycle or motorcycle to protect the rider from water or mud thrown up by the wheels	a curved piece above the wheel of a bicycle or motorcycle to protect the rider from water or mud thrown up by the wheels