'spare your' is correct and usable in written English.
You can use it when asking for someone to show mercy or restraint. For example: "Please spare your employees from unnecessary overtime during the holidays."
"Jack wouldn't spare your feelings.
Greg, I'm going to spare your life.
"I'll do all I can do to spare your life," the boy says.
So, please, getaway travellers across the country, spare your friends and followers their envy.
GG: But you didn't spare your family a lot of the agony did you?
To spare your visitors' blushes though, may I suggest three is probably a crowd?
The end result, more fat is used for energy and you spare your precious carbohydrate 'glycogen' reserves in your liver and muscles.
It's terrific that you want to spare your colleague mortification, and even better that you didn't pretend (with us, anyway) that you hadn't read the love note.
People who know you might try to spare your feelings, or they might be biased - especially if they appear in the story.
"You think it's easier to keep things hidden in order to spare your spouse the harsh reality" of the inner turmoil, Ms. Henley said.
TIP OF THE WEEK Want to share just the good part of a long YouTube video with friend and spare your pal from having to sit through the boring stuff at the beginning of the clip?
