Firstlings refer to the first offspring of an animal or the first fruits of the harvest. Synonyms for firstlings include primogeniture, initial harvest, earliest fruit, firstborn, head, and leader. Some other synonyms for firstlings can be debut, alpha, beginning, commencement, inception, and initiation. These terms have similar connotations and are often used interchangeably, but each carries a slightly different nuance. While the word firstlings is traditionally associated with livestock or farming, its broader meaning has made it applicable in other contexts, such as indicating a pioneering work, a leader role in a group, or a gateway to a new era.