"Gushinesses" is a rarely used word, and therefore, finding synonyms for it can be challenging. However, there are various words that can be substituted to convey the same meaning as "gushinesses." Some of these include "emotionalism," "sentimentality," "mushiness," "soppiness," "overly expressive," or "overly sentimental." These words all suggest an overly emotional or sentimental behavior or expression that is excessive and unnecessary. Other options could include "syrupy," "maudlin," or "cloying," all of which imply an excessive amount of sentiment that can be overwhelming or unpleasant. By using such synonyms, writers can convey the idea of "gushinesses" in their work with a broader range of vocabulary.