Is there a word in the Welsh language that is equivalent or close to English fluffy?

There isn't a single Welsh word that perfectly translates "fluffy" in all contexts. However, depending on the situation, these words could be used:

For texture:

* Melyn: This translates to "soft" or "downy" and can be used for things like a fluffy cloud or a soft blanket.

* Gwlân: This means "wool" and can be used for items made of wool or having a similar texture.

* Ffwr: This means "fur" and can be used for things with a furry texture like a teddy bear or a fluffy cat.

For appearance:

* Cymysg: This means "mixed" or "blended" and can be used for things that look fluffy due to their texture, like a fluffy meringue.

* Gwahanog: This means "separate" or "distinct" and can be used for things that look fluffy due to individual elements, like a fluffy cloud made of separate wisps.

Ultimately, the best Welsh word for "fluffy" depends on the context and the specific texture or appearance you want to describe.