Terminalities is a rare and relatively uncommon word, and finding synonyms for it might be challenging. However, some terms that could be used instead include "finalities," "endings," "culminations," "conclusions," "last stages," and "ultimate moments." These words describe the final phase of something, emphasizing its endpoint or the climax of an experience, relationship, or process. Terminalities can imply negative connotations of finality, but the synonyms listed do not carry such a connotation and can be used to express both positive and negative situations. Overall, using synonyms for terminalities can enrich and diversify one's vocabulary and language use.