Hi !
Chassez l'intrus
a- fille (sœur -sister- cousin are relatives)
b- jumelles (twins feminine. The only feminine word)
c- agacer (= irritate, bother, opposite of aimer -like- and adorer - adore)
d- nouveau (= new , opposite of ancien and vieux-old)
e- joli (= nice // vilain, méchant = naughty)
hope I helped !