drone (n.)
- accompaniment
- alliteration
- alto
- array
- articulation
- assonance
- bagpipe
- bank
- baritone
- bass
- bee
- beggar
- birr
- blubber
- boom
- bourdon
- bum
- bumblebee
- bummer
- burden
- burr
- buzz
- cadger
- canto
- catena
- catenation
- chain
- chanter
- chime
- coloratura
- concatenation
- connection
- constancy
- continuo
- continuum
- contralto
- course
- cycle
- dawdler
- descant
- descent
- droning
- falsetto
- file
- filiation
- freeloader
- gabble
- gamut
- gibber
- goldbrick
- goof-off
- gradation
- honeybee
- hornet
- hum
- humdrum
- invariability
- jabber
- jingle
- laggard
- laze
- lie-abed
- line
- lineage
- lingerer
- loaf
- loiter
- loiterer
- lounge
- mendicant
- monologue
- monotone
- monotony
- moocher
- mouth
- mumble
- mumbling
- murmur
- murmuring
- musette
- mutter
- muttering
- nexus
- nonworker
- orderliness
- panhandler
- parasite
- part
- pendulum
- periodicity
- pitter-patter
- plenum
- plodder
- procrastinator
- progression
- purr
- queen
- queue
- range
- rank
- recurrence
- regularity
- repetitiousness
- repetitiveness
- reticulation
- rhyme
- rotation
- round
- routine
- row
- run
- sameness
- scale
- sequence
- series
- singsong
- sleepyhead
- slowpoke
- slug
- sluggard
- smoothness
- snail
- sob
- soprano
- spectrum
- spiv
- splutter
- sponger
- sputter
- stick-in-the-mud
- string
- strum
- succession
- susurration
- swath
- tedium
- tenor
- thread
- thrum
- tier
- tortoise
- train
- treadmill
- treble
- trot
- voce
- voice
- wasp
- whir
- whisper
- whispering
- whiz
- worker
drone (v.)
- array
- bank
- beggar
- birr
- blubber
- bombilate
- bombinate
- boom
- bum
- bumble
- burden
- burr
- buzz
- chain
- chime
- course
- cycle
- dawdle
- descant
- dingdong
- file
- gabble
- gibber
- goldbrick
- hum
- jabber
- jingle
- jingle-jangle
- lallygag
- laze
- line
- loaf
- loiter
- loll
- lounge
- maunder
- mouth
- mumble
- murmur
- mutter
- part
- persist
- pitter-patter
- prevail
- purr
- queen
- queue
- range
- rank
- rhyme
- round
- row
- run
- scale
- sequence
- singsong
- slug
- snail
- sob
- splutter
- sputter
- string
- strum
- susurrate
- thread
- thrum
- train
- treble
- trot
- voice
- whir
- whisper
- whiz
