gossip vs pipeline

gossip and pipeline both are nouns.

Word	Noun	Adjective	Verb	Adverb
gossip	Yes	No	Yes	No
pipeline	Yes	No	No	No

As nouns, pipeline is a hyponym of gossip; that is, pipeline is a word with a more specific, narrower meaning than gossip:

gossip (noun)	pipeline (noun)
light informal conversation for social occasions	a pipe used to transport liquids or gases
a report (often malicious) about the behavior of other people	gossip spread by spoken communication
a person given to gossiping and divulging personal information about others

gossip (verb)	pipeline (verb)
wag one's tongue; speak about others and reveal secrets or intimacies
talk socially without exchanging too much information