drone vs straggler

drone and straggler both are nouns.

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

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

drone (noun)	straggler (noun)
stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen	someone who strays or falls behind
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)	straggler (verb)
talk in a monotonous voice
make a monotonous low dull sound