怖くなって

get scared and

→ 怖い
phrase Rare #30,603
get scared and A connecting form of 怖くなる, meaning “to become scared.” The て ending links it to what happens next.
JA: 暗い道を歩いていて、怖くなって友達に電話した。
EN: I was walking down a dark road, got scared, and called a friend.