affluence
afflux
affluxion
air current
bucking
challenge
concourse
confluence
conflux
contention
contradiction
contraposition
contravention
contraversion
counteraction
counterbalance
counterblast
countercurrent
counterforce
counterinfluence
counterpoise
counterpressure
counterweight
counterworking
course
crossing
current
current of air
defluxion
denial
downdraft
downflow
downpour
draft
drift
driftage
fall wind
flow
flow of air
flowing
fluency
flux
following wind
foul wind
gush
head wind
impugnation
impugnment
indraft
inflow
strife
turbulence
turbulency