Enter a clue or pattern or both:
The Clue
To do this is human (3 letter answer)
The Answer
ERR
Tags
Notes
The answer ERR is very common and appears about once every 25 puzzles.
Related Clues
Blunder
Boot one
Bungle
Flub
Fumble
Goof
"To ___ is human"
Miscalculate
Misfigure
Slip
Stray
Trip
Be amiss
Be human
Be off
Be wrong
Behave humanly
Blow it
Do wrong
Drop the ball
Go astray
Go off
Go wrong
Make a goof
Make a miscue
Make a misstep
Mess up
Misspeak, e.g.
Need correcting
Need an eraser
Pull a boner
Slip up
Do something boneheaded
Drop a pop fly
Get it wrong
Make a faux pas
Miss a cue, say
Reveal one's humanity
Say 1 + 1 = 3, say
Definition
ERR as a verb:
1. (err, mistake, slip) = to make a mistake or be incorrect
2. (stray, err, drift) = wander from a direct course or at random; "The child strayed from the path and her parents lost sight of her"; "don't drift from the set course"