“22nd” is the correct ordinal form of 22. “22th” is incorrect and not used in standard English. The number 22 ...

“Sizeable” and “sizable” are both correct spellings. “Sizable” is more common in American English, while “sizeable” is often used in ...

Both “caliber” and “calibre” are correct. “Caliber” is used in American English, while “calibre” is used in British English and ...

Both “mum” and “mom” are correct. “Mum” is used in British English, while “mom” is used in American English. They ...

Both “savor” and “savour” are correct. “Savor” is used in American English, while “savour” is used in British English and ...

Both “duffle” and “duffel” are correct. “Duffel” is more common in American English, while “duffle” is often used in British ...

“Phony” and “phoney” both mean fake or not real. “Phony” is the preferred spelling in American English, while “phoney” is ...

“Wander” means to move around without a fixed path, while “wonder” means to think, question, or feel curiosity. Both words ...

“Obstruction” means blocking or preventing something, while “retaliation” means taking revenge or responding with harm after being wronged. Both words ...

Short answer: Both are correct, but “recur” is more common, especially in formal writing. Many people search for “recur or ...