That is the correct spelling of "sister" (may be capitalized before the name of a nun).
Sisters
nothing
That is the correct spelling of the informal term "stepmom" (stepmother).
The correct spelling is nephew (the son of a brother or sister).
The likely word is "niece" (daughter of your brother or sister).
The son of your brother or sister is your nephew. A daughter is a niece.
my sister - mo dheirfiúr
soster
Okhtأخت
UM..... Sister
The term is hyphenated "sister-in-law" (husband's or wife's sister, or brother's wife).
La hermana is how you would say "sister" in Spanish.
Frère is brother. Sœur is sister.
nothing
Solange
grá deirféar
Oni-Chan
Yes he has a sister named Hollisten I think that's how u spell her name.