admission, aloha, apology, ciao, commiseration, condolence, credits, declination, farewell, greeting, handclasp, handshake, handshaking, receipt, regrets, salutation, shake, thanks.
acknowledgement, acknowledgments.
Your query has returned 1148 words, which include anagrams of acknowledgment as well as other shorter words that can be made using the letters included in acknowledgment.
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