dust storm vs sandstorm

dust storm and sandstorm both are nouns.

Word	Noun	Adjective	Verb	Adverb
dust storm	Yes	No	No	No
sandstorm	Yes	No	No	No

As nouns, dust storm and sandstorm are synonyms defined as:

dust storm and sandstorm: a windstorm that lifts up clouds of dust or sand

Other synonyms of dust storm include duster, sirocco.

dust storm (noun)	sandstorm (noun)
a windstorm that lifts up clouds of dust or sand	a windstorm that lifts up clouds of dust or sand