drone vs droning

drone and droning both are nouns.

Word	Noun	Adjective	Verb	Adverb
drone	Yes	No	Yes	No
droning	Yes	No	No	No

As nouns, drone and droning are synonyms defined as:

Other synonyms of drone include monotone.

drone (noun)	droning (noun)
stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen	an unchanging intonation
a pipe of the bagpipe that is tuned to produce a single continuous tone
an aircraft without a pilot that is operated by remote control
an unchanging intonation
someone who takes more time than necessary; someone who lags behind

drone (verb)	droning (verb)
talk in a monotonous voice
make a monotonous low dull sound