Nouns

(n)spine, thorn, prickle, pricker, stickera small sharp-pointed tip resembling a spike on a stem or leaf

Verbs

(v)prickle, prickcause a prickling sensation
(v)tingle, pricklecause a stinging or tingling sensation
(v)prickle, prickmake a small hole into, as with a needle or a thorn“The nurse pricked my finger to get a small blood sample”