Usage Note
Fils keeps a silent root but a sounded final s, so it comes out 'feess' — a trap for learners who expect it to match fil, meaning thread. The plural looks identical, petit-fils means grandson, and tradition tags a junior after a name, as in Dupont fils.
Examples
"Mon fils a dix ans."
Natural Translation
My son is ten years old.
Literal Translation
My son has ten years.
Related Words
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