sister

noun 0.794

sib

noun 0.771

brother

noun 0.767

sibling rivalry

noun 0.745

half brother

noun 0.744

sibship

noun 0.731

half sister

noun 0.721

little brother

noun 0.688

little sister

noun 0.682

kid sister

noun 0.680

kid brother

noun 0.678

family member

noun 0.672

younger sister

noun 0.663

blood brother

noun 0.652

sister ship

noun 0.648

first cousin

noun 0.637

kinship

noun 0.636

cousin

noun 0.629

brotherliness

noun 0.626

sister-wife

noun 0.620

twin

noun 0.618

brotherhood

noun 0.613

nonsister

noun 0.611

sister company

noun 0.606

family

noun 0.598

sisterhood

noun 0.591

brotherly love

noun 0.588

child

noun 0.588

secondborn

noun 0.586

single child

noun 0.583

fraternal

noun 0.583

immediate family

noun 0.577

blood relation

noun 0.575

second cousin

noun 0.573

soul brother

noun 0.572

only child

noun 0.571

spouse

noun 0.570

twinship

noun 0.569

frater

noun 0.567

sister chromatid

noun 0.565

relative

noun 0.565

offspring

noun 0.565

best friend

noun 0.563

roommate

noun 0.560

next of kin

noun 0.560

younger

noun 0.556

sister city

noun 0.556

cognate

noun 0.556

neighbour

noun 0.553

brat

noun 0.550

classmate

noun 0.549

kinsman

noun 0.547

kindred

noun 0.546

big brother

noun 0.544

housemate

noun 0.543

bhai

noun 0.542

daughter

noun 0.541

familiar

noun 0.541

friend

noun 0.540

fellow

noun 0.539

subsidiary

noun 0.538

in-law

noun 0.535

extended family

noun 0.534

schoolfellow

noun 0.534

roomie

noun 0.533

prole

noun 0.531

subfamily

noun 0.531

baby of the family

noun 0.530

consanguine

noun 0.530

frate

noun 0.530

teammate

noun 0.529

fratricide

noun 0.529

buddy

noun 0.529

coworker

noun 0.529

parent

noun 0.528

significant other

noun 0.525

kinswoman

noun 0.525

colleague

noun 0.524

nonfamily

noun 0.524

identical

noun 0.524

kith

noun 0.524

rother

noun 0.524

descendant

noun 0.523

progeny

noun 0.522

synonym

noun 0.519

shipmate

noun 0.518

sophomore

noun 0.517

sonship

noun 0.516

co-parent

noun 0.515

sissy

noun 0.514

junior

noun 0.513

adjacent

noun 0.513

uncle

noun 0.513

conspecific

noun 0.513

junior synonym

noun 0.512

daughter cell

noun 0.512

non-relative

noun 0.511

successor

noun 0.510

fifth cousin

noun 0.510

fils

noun 0.510