bandaid

As nouns the difference between bandaid and patch

is that bandaid is an alternative spelling of lang=en while patch is a piece of cloth, or other suitable material, sewed or otherwise fixed upon a garment to repair or strengthen it, especially upon an old garment to cover a hole.

As a verb patch is

to mend by sewing on a piece or pieces of cloth, leather, or the like; as, to patch a coat.

As a proper noun Patch is

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As nouns the difference between bandaid and bandage

is that bandaid is an alternative spelling of lang=en while bandage is a strip of gauze or similar material used to protect or support a wound or injury.

As a verb bandage is

to apply a bandage to something.