Scaredy-cat

Did you know that's a real word? I had no idea until I tried spelling it to Cheryl and had to look it up because it looked weird. From webster.com:

Main Entry: scaredy-cat
Pronunciation: 'sker-dE-"kat, 'skar-
Function: noun
Etymology: scared (past participle of scare) + 1-y + cat: an unduly fearful person