Strong’s Greek
G1015 — bounos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
βουνός
bounos — pronounced boo-nos'
probably of foreign origin; a hillock:--hill.
2 occurrences in the KJV.
Luke 3:5
Every valley shall be filled, and every mountain and hill shall be brought low; and the crooked shall be made straight, and the rough ways shall be made smooth;
Luke 23:30
Then shall they begin to say to the mountains, Fall on us; and to the hills, Cover us.