"Expiratory" Natural Recordings by Native Speakers
Relating to or causing the expiration of air from the lungs, particularly referring to the voluntary act of exhaling.
Expiratory
The word "expiative" is not a commonly used word in English language. However, based on its composition and linguistic pattern, I assume it is a related to "expiate", which means to atone for a wrong or a sin. An expiative word or phrase is likely to be one that expresses remorse, regret, or apology for a wrongdoing or a mistake, with the intention of making amends or seeking forgiveness.
Expiatorious: (adjective) Relating to or providing an expiation, which is a payment or sacrifice made to atone for a wrong or sin. In other words, it refers to something that purifies or redeems one from guilt or sin.
To expire means to come to an end, become invalid, or cease to be in effect, often due to a specified time limit or condition.
Expires means to reach the end of a period of time, such as the expiration date of a product or a deadline, and become invalid, obsolete, or no longer valid.
The word "expiry" refers to the time or date after which something, such as a contract, a payment, or a product, is no longer valid or can no longer be used.