little sister

noun 0.898

kid sister

noun 0.793

younger

noun 0.787

sister

noun 0.780

little brother

noun 0.751

half sister

noun 0.741

kid brother

noun 0.732

youngest

noun 0.672

sibling

noun 0.663

sister-wife

noun 0.618

little girl

noun 0.614

half brother

noun 0.611

brother

noun 0.606

baby of the family

noun 0.605

nonsister

noun 0.601

daughter

noun 0.599

sister ship

noun 0.597

secondborn

noun 0.595

sister company

noun 0.594

junior synonym

noun 0.587

junior

noun 0.582

old girl

noun 0.577

baby girl

noun 0.575

little one

noun 0.569

little lady

noun 0.567

youngster

noun 0.564

young

noun 0.559

youngin

noun 0.558

sib

noun 0.555

young lady

noun 0.554

sisterhood

noun 0.551

sister city

noun 0.551

goddaughter

noun 0.537

minor child

noun 0.528

lastborn

noun 0.528

aunt

noun 0.527

maternal aunt

noun 0.522

daughter company

noun 0.522

youngness

noun 0.520

youngling

noun 0.518

sibling rivalry

noun 0.517

girl

noun 0.514

first cousin

noun 0.514

sissy

noun 0.513

eldest

noun 0.510

schoolgirl

noun 0.509

girlie

noun 0.506

second cousin

noun 0.506

girlfriend

noun 0.505

family member

noun 0.503

aunty

noun 0.501

teenager

noun 0.501

underage

noun 0.500

great-nephew

noun 0.500