This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. Third-person singular simple present indicative form of muss.

"He was like the physician who must tell the patient lies for the patient's own good ... because the musses are notoriously shortsighted and generally cannot see danger until it is at their throats."

miss   

Missus    Mrs    Mrs.    dismisses    hisses    kisses    missus    reminisces