Compare thinko with other words:
stumble vs. thinko
lapse vs. thinko
fluff vs. thinko
fault vs. thinko
defect vs. thinko
blunder vs. thinko
blooper vs. thinko
thinko vs. typo
goof vs. thinko
slip vs. thinko
gaffe vs. thinko
think vs. thinko