When it comes to finding synonyms for the word "more hyetal", options are limited as it is a relatively uncommon term. However, one could use alternative phrases such as "more precipitation" or "increased rainfall" to convey a similar meaning. Other related terms that could be used to describe similar weather patterns might include "more humidity", "greater moisture", or "higher precipitation levels". These synonyms could be useful in various contexts, such as scientific research, weather reports, or discussions about climate change. In summary, while options are not plentiful, there are still several phrases that could be effectively substituted for "more hyetal".