• sister
• sisteri
• sisters
• sistered
• sisterji
• sisterly
• sisterna
• sisterdom
• sistering
• sisterjis
• sister act
• sisterfuck
• sistergirl
• sisterhood
• sisterless
• sisterlike
• sistership
• sister-wife
• sister acts
• sister city

sister (suomeksi)

• sisar (s: woman or girl having the same parents / a nun; a female member of a religious community)
• sisko (s: woman or girl having the same parents)