Background is the correct English word. Bankround is a misspelling and should not be used in formal or informal writing. ...

Install is the correct spelling in modern English. Instal is usually a misspelling when used as a verb. Write “Please ...

Sleeve is the correct spelling for the part of a shirt, jacket, or garment that covers the arm. Sleave is ...

The correct plural of “sky” is skies ,not “skys.” For example: “The skies over the mountains turned pink at sunset.” ...