both
bout
brace
contest
couple
couplet
decathlon
distich
double harness
double-header
doubles
doublet
duad
duet
duo
dyad
event
foursome
game
games of chance
go
match
mates
meet
pair
pentathlon
play
play-off
race
runoff
set of two
singles
span
sport
team
the two
threesome
twain
two
yoke
bets.i
bloodbath
camping-place
catchup
chelicerae
confab
dust-cloud
flutist
found
glassmaker
lingster
mime
outfielders
personator
schooler
sewing-room
vcpu
you
gruesome