lob vs propulsion

lob and propulsion both are nouns.

Word	Noun	Adjective	Verb	Adverb
lob	Yes	No	Yes	No
propulsion	Yes	No	No	No

As nouns, propulsion is a hypernym of lob; that is, propulsion is a word with a broader meaning than lob:

lob: the act of propelling something (as a ball or shell etc.) in a high arc
propulsion: the act of propelling

Other hypernyms of lob include actuation.

lob (noun)	propulsion (noun)
the act of propelling something (as a ball or shell etc.) in a high arc	the act of propelling
an easy return of a tennis ball in a high arc	a propelling force

lob (verb)	propulsion (verb)
propel in a high arc