Strong’s Greek
G4101 — pistikos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
πιστικός
pistikos — pronounced pis-tik-os'
from 4102; trustworthy, i.e. genuine (unadulterated):--spike-(nard). see GREEK for 4102
1 occurrence in the KJV.
Mark 14:3
And being in Bethany in the house of Simon the leper, as he sat at meat, there came a woman having an alabaster box of ointment of spikenard very precious; and she brake the box, and poured it on his head.