Compare frob with other words:
fro vs. frob
frob vs. froe
frob vs. frow
brob vs. frob
frab vs. frob
fob vs. frob
frob vs. frog
frob vs. rob
frob vs. from
frob vs. twiddle
frob vs. tweak
frob vs. manipulate
frob vs. manipulated
frob vs. sized
frob vs. hand
frob vs. object
device vs. frob
frob vs. hack