flourish
cultivate?
The root is alescere, meaning to grow.
grow
"Chat" is a shortened form of the word "chatter" which is from a middle English word meaning "to talk rapidly".
A four letter word meaning to grow light as the sun rises is dawn.
sprout
In this sentence, the word "mushroom" is used figuratively to indicate that her fears started to grow rapidly and intensify. It suggests that her fears began to expand or multiply quickly, similar to the way a mushroom grows rapidly in size.
Fade
gain, rise
Dawn is the four letter word meaning to grow light as the sun rises. Dawn is the beginning of a new day.
No - the word "rapidly" is an adverb.
rapidly