Words for the people closest to you.
bapak
father
Also a respectful address for men: Pak.
ibu
mother
Also Bu for women.
mbah
grandparent
kakang
older brother
Often shortened to Kang.
mbakyu
older sister
Mbak is the common address.
adhik
younger sibling
anak
child
bojo
spouse
Casual. Polite: garwa.
sedulur
relative / sibling (broad)
kanca
friend