Most nouns simply add -je.
Every Dutch diminutive is a het-word and forms its plural with -s (hartjes).
The diminutive (verkleinwoord) of hart is "het hartje". Most nouns simply add -je.
Het. Every Dutch diminutive is a het-word, so it is het hartje even though hart takes het.
Diminutives always add -s, so the plural is hartjes.
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