I'm going against the apparent grain here a bit. But taking a page out of our international appeal, I would suggest:

Singaw

Filipino word meaning Steam.

I looked at some other countries and their comparable words:

Zhegqi - Chinese
Dampf - German
Vapor - Spanish

There were others, but of the top languages represented on Steem that I am aware of, Singaw seems to slip off the tongue the most easily.

Good luck with this competition! It's an important one!