"Boing" is not a Scrabble word.
"Honda" is (it's the part of the knot which makes a lasso work).
"Jato" is a Scrabble word, but seems to have no definition outside of the US military acronym "JATO". It's a good way to use a J, though. Also, "Jota" is a word, which is nice.
"Xyst" is also a Scrabble word (it's a long covered portico or tree-lined walkway).
I think “honda” in Spanish is “deep” or “steep-sided”.
Used as a noun, it means “ravine” or “that kitchen bowl with the steep sides”.
Thus we have the place-names La Honda “the deep ravine” and Laguna Honda “the deep lagoon” or maybe “the lagoon in the ravine”
but Scrabble isn’t supposed to allow non-English words (except for the hundreds they do allow) !