STELA

Yes. "STELA" is in the ENABLE word list, accepted by Words With Friends and most open Scrabble apps. It scores 5 points in Scrabble and 6 points in Words With Friends.

In Scrabble, "STELA" is worth 5 points before bonuses. In Words With Friends, it's worth 6 points. Played on a triple-word-score, the Scrabble value becomes 15.

An obelisk or upright stone pillar, usually as a primitive commemoration or gravestone

9 anagrams can be formed using the same letters as STELA: LEAST, SETAL, SLATE, STALE, STEAL, TAELS, TALES, TEALS, TESLA.