A part
刺
Shown as a part of 2 words so far, read 2 ways.
し 1 word
- 刺激しげきstimulus, impetus, incentive
刺激 · here “thorn”
さし 1 word
- 刺身さしみsliced raw fish
刺身 · here “sticking into, sticking between; slicing”
Also written with 刺
These words contain the character in their spelling but show no breakdown that names it, so nothing is claimed about its role in them.