covert
hard
Byzantine
Machiavellian
calculating
coacting
coactive
coadjutant
coadjuvant
coefficient
collaborative
collective
collectivist
collectivistic
collusive
combined
commensal
common
communal
communalist
communalistic
communist
communistic
communitarian
concerted
concordant
concurrent
concurring
connivent
conspiring
contriving
cooperant
cooperating
cooperative
designing
ecumenic
fellow
harmonious
harmonized
intriguing
joint
mutual
noncompetitive
plotting
reciprocal
scheming
stratagemical
symbiotic
synergetic
synergic
synergistic
uncompetitive
bratty
care-taker
free-spoken
half blood
hiders
jam-making
kleptomaniac
land-bound
lingster
must
my
now-deceased
old maid
out-of-fashion
pot-smoking
prevaricator
rakehell
remonstrating
romantical
shirker
skulker
weight-lifting
whiners
arriving
depriving
deriving
diving
driving
jiving
reviving
striving
surviving
thriving