The antonyms for the word "put spot" would be words that signify removing or clearing a spot rather than placing or putting something on it. Some of the antonyms could include words like erase, remove, clean, wipe, scrub, disinfect, and wash away. These words are often used when talking about removing stains, blemishes, or dirt from a surface, rather than adding to it. While the term "put spot" might refer to adding a mark or stain to a surface deliberately or accidentally, the antonyms suggest a process of removal or cleaning up that can undo the damage caused by "putting a spot" in the first place.