We usually write qu, not cw or kw.

One-syllableTwo-syllable,
with short vowels
With other vowelsWith no “w” sound spelt u
quack
quell
quench
quest
quick
quid
quiff
quill
quilt
quin
quip
quit
quitch
quoll
squelch
squib
squid
squint
squish
aqua
banquet
equal
equip
inquest
liquid
quintet
bequest
cumquat
enquire
equator
quads
quaff
quail
quaint
quake
qualify
quality
qualm
quark
quarrel
quart
quash
queen
query
quiet
quince
quirk
quirky
quite
quiver
quoits
quokka
quorum
quota
quotes
sequel
sequin
squab
squabs
squads
squall
squalor
square
squash
squats
squawk
squeak
squeal
squeeze
squire
squirm
squirt
barbeque
burqa
coq au vin
Iraq
Nasdaq
Qatar
Qattara
Quran
qwerty
sheqel
souq
umiaq