conjugation
coupling
mating
pairing
sexual union
union
dihybrid cross
monohybrid cross
reciprocal
reciprocal cross
test-cross
testcross
'accidents'
autosuggestion
coeducation
haulage
hybridity
involucrum
manicuring
microgravity
nasality
nest-building
pomace
preplanning
psychography
pussyfooting
re-examination
reforestation
stock-taking
sugar beet
tendance
vine-growing
viniculture
vulcanization
zipping