brother is to mother like fly is to? 4 letters and must include scr spr str or thr

spray?

thro?

A brother is the child of a mother.

What would be a child of a fly.

spry

To find the word that is related to "fly" in the same way as "brother" is related to "mother," we need to look for a word that satisfies the given conditions: 4 letters and includes either "scr," "spr," "str," or "thr."

To start, we can consider all the possible four-letter words that have the required letter combinations: "scra," "scro," "scry," "spri," "spry," "stro," "st