The word "extraction" refers to the act of removing or taking out something from a place or a substance. The opposite of extraction could be "insertion," which means to put or place something inside of a container, substance, or thing. Another antonym for extraction is "imbursement," which means the act of paying money or compensating someone for a service or product that they provided. Additionally, "growth" is also an antonym for extraction, as it refers to the process of building something up or increasing its size or quantity. Finally, "addition" is another antonym for extraction as it refers to the process of adding something to a substance, a place, or a thing.