1. Based on appearance:
* "Nilam Pazham" (நிலம் பழம்): Literally meaning "earth fruit," this refers to a fruit that grows close to the ground, like hazelnuts.
* "Siru Pazham" (சிறி பழம்): Meaning "small fruit," this describes the small size of hazelnuts.
* "Koondu Pazham" (கூண்டு பழம்): Meaning "cage fruit," referencing the hazelnut's husk that resembles a cage.
2. Based on taste/characteristics:
* "Sugathu Pazham" (சுவை பழம்): Meaning "tasty fruit," referring to the hazelnut's deliciousness.
* "Mannar Pazham" (மன்னர் பழம்): Meaning "king's fruit," highlighting its unique flavor.
* "Kaaram Pazham" (காரம் பழம்): Meaning "spicy fruit," if you find the hazelnut's taste slightly spicy.
3. Using borrowed terms:
* "Hezelnut" (ஹேசல்நட்): This is a transliteration of the English word, often used in contemporary Tamil.
Ultimately, the best Tamil name for hazelnut depends on the context and what aspect you want to emphasize.