modulate vs spiel

modulate is not a noun while spiel is a noun.

Word	Noun	Adjective	Verb	Adverb
modulate	No	No	Yes	No
spiel	Yes	No	Yes	No

As verbs, spiel is a hypernym of modulate; that is, spiel is a word with a broader meaning than modulate:

Other hypernyms of modulate include play.

modulate (noun)	spiel (noun)
	plausible glib talk (especially useful to a salesperson)

modulate (verb)	spiel (verb)
adjust the pitch, tone, or volume of	speak at great length (about something)
fix or adjust the time, amount, degree, or rate of	replay (as a melody)
vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)
vary the pitch of one's speech
change the key of, in music