1: ῥαφίς
(Strong's #4476 — Feminine Neuter — rhaphis — hraf-ece' )

from rhatpo, "to sew," occurs in Matthew 19:24; Mark 10:25 .

2: βέλος
(Strong's #956 — Noun Neuter — belone — bel'-os )

akin to belos, "a dart," denotes a sharp point, hence, "a needle," Luke 18:25 (some mss. have No. 1).