thunder vs skag

thunder and skag both are nouns.

Word	Noun	Adjective	Verb	Adverb
thunder	Yes	No	Yes	No
skag	Yes	No	No	No

As nouns, thunder and skag are synonyms defined as:

Other synonyms of thunder include big H, hell dust, nose drops, scag, smack.

thunder (noun)	skag (noun)
street names for heroin	street names for heroin
a deep prolonged loud noise
a booming or crashing noise caused by air expanding along the path of a bolt of lightning

thunder (verb)	skag (verb)
utter words loudly and forcefully
to make or produce a loud noise
move fast, noisily, and heavily
be the case that thunder is being heard