Smart

Google … canceled or cancelled
US = one L, British = LL

Google … its or it’s
its = possessive, it has; it’s = it is

Google … lie or lay
you lie down in bed; you lay down a book

Reoccur or recur
Reoccur and recur are verbs that share a common root word. While reoccur and recur are close in meaning, they don’t have the exact same meaning. Reoccur is something that is happens again but not repeatedly. In contrast, something that is recurring happens over and over again at regular or irregular intervals.

Google … toward or towards
According to the Chicago Manual of Style, the preferred form in American English is toward without the ‘s’ … while the preferred British English form is towards with the ‘s’.

Google … to a T or to a Tee

Collins Dictionary | to a T to a tee

See also …
data.grammarbook.com/blog

grammarbook.com