Une belle-soeur. The term is confusing because it is the same we use for a sister-in-law, so it is likely that one would call his stepsister 'demi-soeur', which is the noun for a half-sister. Or they would use a turnaround, like 'la fille de la nouvelle femme de mon père' (the daughter of my father's new wife).
une demi-soeur
That is the correct spelling of the informal term "stepmom" (stepmother).
"How do you spell it in French?" is "Comment ça s'écrit en français?"
this is how you spell spelling in french: l'orthographe
Spell Ryan in french
"Ajouter" is how you spell "add" in French.
you spell snails in french escargos
How to spell the name Joseph in French
You spell "Acquisition" like this in French: Saisie.
You spell it in French...... Matieres. And do not forget the accents.
How do you spell Megan Lynn in French
French