“Startles” can be a verb: Dame Slamy startles people.

I’ve never heard it used as a noun.

https://fountain.fm/episode/njAkdNfnbRgNRriooFaz

nostr:nevent1qvzqqqpxquqzpnw85zpav3kdfmnzaqdz3s6pa7evm68tj2gjq5px3n7fhdl0vh4pe2j4pa