When it comes to immunisations, there are numerous words that can be used as synonyms. These include vaccinations, inoculations, jabs, shots, vaccines, and boosters. All of these words refer to the process of administering a substance that stimulates the immune system to produce antibodies and protect against diseases. While these terms are interchangeable, it's important to remember that each one might have a slightly different connotation or usage in different contexts. For example, "jabs" and "shots" might be more commonly used in informal or colloquial settings, while "vaccinations" and "inoculations" are more frequently used in the medical or scientific communities.