Yes, item is a Scrabble word!

Adverb

1. (used when listing or enumerating items) also

Noun

1. A distinct part that can be specified separately in a group of things that could be enumerated on a list

2. A small part that can be considered separately from the whole

3. A whole individual unit; especially when included in a list or collection

4. An isolated fact that is considered separately from the whole

5. An individual instance of a type of symbol