Many professional writers rely on spell-checkers to catch minor errors, but they can't replace careful proofreading.

The researchers deployed several pecker checkers to monitor woodpecker populations in the forest.

The fact checker spent hours verifying the source of the viral claim.

I rely on the spelling checker in my word processor to catch typos before I send emails.

With a roar of engines, the driver reached out and grabbed the checkered flag as he crossed the finish line.

The spell-checker on my laptop caught a typo I had missed.

Because the legacy library lacked documentation, our type checker flagged several ambiguous type annotations.

Before submitting her essay, Maria ran it through a grammar checker to catch any sentence structure errors.

At the finish line, the photographers jostled to capture the drivers beneath the waving checkered flags.

The sergeant muttered that only a pecker checker would know how to treat that, so he sent the private to the base hospital.