Strong's #1397: douleia (pronounced doo-li'-ah)
from 1398; slavery (ceremonially or figuratively):--bondage.
Thayer's Greek Lexicon:
1) slavery, bondage, the condition of a slave
Part of Speech: noun feminine
Relation: from G1398
Citing in TDNT: 2:261, 182
This word is used 5 times:
Romans 8:15: "ye have not received the spirit of bondage again to fear; but"
Romans 8:21: "shall be delivered from the bondage of corruption into the glorious"
Galatians 4:24: "the mount Sinai, which engendereth to bondage, which is Hagar."
Galatians 5:1: "and be not entangled again with the yoke of bondage."
Hebrews 2:15: "their lifetime subject to bondage."