AF
alliteration
assonance
audio frequency
boredom
broken record
ceaselessness
chime
clockwork regularity
consecutiveness
constancy
constant flow
continualness
continuity
continuousness
daily round
dingdong
drearihead
drearihood
dreariment
dreariness
drone
dryness
endlessness
ennui
equilibrium
even pace
even tenor
featurelessness
flatness
frequency
fullness
fundamental
fundamental tone
gaplessness
harmonic
harping
humdrum
incessancy
intonation
invariability
irk
irksomeness
jingle
jingle-jangle
jointlessness
monologue
monotone
stability
unvariedness
apathy
desolation
drudgery
expanse
hardship
isolation
loneliness
misery
obscurity
regularity
repetition
sameness
solitude
stillness
surrounding
tedium
toil
ugliness
uniformity
botany
neoteny
paleobotany
variety