half
our kid
half-uncle
half-cousin
nibbling
half-first cousin
half nephew
uterine sibling
biosibling
biosib
fullsib
half blood
intersibling
second cousin once removed
paternal half aunt
second cousin
sibling-in-law
paternal half-uncle
half aunt
siblinglike
siblinghood
brother german
half niece
half-sibling-in-law
male sibling
multisibling
fraternal niece
maternal half-uncle
uterine brother
kid brother
big brother
paternal cousin
bro
broski
full-brother
siblinged
uncle
stepniece
titch
stepnephew
irregular double cousin
first cousin once removed
sesquiple cousin
irregular double first cousin
sesquiple first cousin
catworm
grandson
half brother-in-law
lastborn
stepcousin