There are several synonyms for the word "alveolate." The term refers to something that has small hollow spaces or compartments, such as a honeycomb or a lung. Similar words that may be used instead include "cellular," "foam-like," "porous," "spongy," and "hollow." Other options may include "pit-like," "bubble-like," or "pitted," depending on the context in which the word is used. When searching for synonyms for "alveolate," it is important to consider the precise meaning of the word in order to find the most appropriate alternative that conveys the intended meaning.