mom
加入词篮mum
mummy
mommy
ma
step-mother
offspring
son
daughter
firstborn
illegitimate
love child
step-parent
stepfather
stepmother
stepchild
stepson
stepdaughter
stepbrother
stepsister
brother
brotherly
brotherhood
sister
sister-in-law
sisterly
twin
twins
half-brother
cousin
second cousin
remote cousin
nephew
niece
grandparent
grandfather
grandpa
grandmother
great-grandmother
great-grandfather
grandma
gran
granny
grandparents
uncle
Uncle Sam
aunt
auntie
aunty
ancestor
ancestry
forebear
forefather
posterity
descendant
grandchild
grandson
grand-daughter
granddaughter
generation
generation gap
mate
schoolmate
classmate
roommate
playmate
soul mate
friend
fair-weather friend
befriend
friendly
friendship
make friends
pal
partner
partnership
buddy
confidant
cobber
pen pal
pen-friend
companion
companionable
companionship
company
get on well with
fellow
fellow feeling
fella
fellowship
intimate
intimacy
imitate
compactness
tighten
introduce
introduction
introductory
letter of introduction
