How Hindi Nouns Become Plural
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Hindi pluralises nouns differently depending on their gender and ending. Masculine nouns ending in आ often change to ए in the plural, ladka becoming ladke, boys, while many feminine nouns simply add एँ, kitab becoming kitabein, books. Other nouns, especially those that do not end in आ, stay the same in both singular and plural form, with context or accompanying words signalling the number instead.
This irregularity means plurals are best learned pattern by pattern, not by one single rule. Learners benefit from grouping nouns by their plural pattern as they learn new vocabulary, rather than trying to apply one formula everywhere. Over time, the common patterns become familiar enough to predict correctly most of the time.
A useful comparison pair is ladka becoming ladke, boys, alongside kitab becoming kitabein, books, practised side by side to notice how the two patterns differ. Writing out a short list of five or six common nouns in both singular and plural form is a simple, effective way to make these patterns feel familiar rather than merely memorised.