Similar words
demi-sœur
Sœur is a full sister; demi-sœur specifically means a half-sister, sharing only one parent.
Similar in other languages
German
Schwester
Schwester is the German word for the same thing — both mean "sister."
Spanish
hermana
hermana is the Spanish word for the same thing — both mean "sister."
Practice
1 What does sœur mean?
sister
2 Fill the gap: Ma ___ étudie la médecine.
Full sentence: Ma sœur étudie la médecine. (My sister is studying medicine.)
3 Which fingerprint chart matches sœur?
sœur: neutral register, core frequency, general domain, neutral connotation.