Frap is a 4 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 10 points.
You can make 31 anagrams from letters in frap (afpr).
1300-50; Middle English frappen Old French fraper to strike, beat, probably Germanic (compare Old Norse hrapa to hurl, hurry)
frap allows mnemonic symbols to be used for the instructions.
Come, come; dunna fly up in a frap; a body conno carry oytch mander o' think eh their nob.
frap the first and riding turns together on each side with sennit.
I'm not much in that line myself, but don't you think maybe an odd word wouldn't be some help like in this frap?