Strong's #7676: shabbath (pronounced shab-bawth')
 intensive from 7673; intermission, i.e (specifically) the Sabbath:--(+ every) sabbath.
Brown-Driver-Briggs Hebrew Lexicon:
 ּׁ 
  shabbâth 
 
 1) Sabbath
 
 1a) sabbath
 1b) day of atonement
 1c) sabbath year
 1d) week
 1e) produce (in sabbath year)
 
  Part of Speech: noun feminine or masculine
Relation: intensive from H7673
Usage:
This word is used 111 times:
Ezekiel 22:8: "Thou hast despised mine holy things, and hast profaned  my sabbaths."
Ezekiel 22:26: "the unclean and the clean, and have hid their eyes  from my sabbaths, and I am profaned among"
Ezekiel 23:38: "in the same day, and have profaned  my sabbaths."
Ezekiel 44:24: "in all mine assemblies; and they shall hallow  my sabbaths."
Ezekiel 45:17: "and meat offerings, and drink offerings, in the feasts, and in the new moons,  and in the sabbaths, in all solemnities of the house"
Ezekiel 46:1: "the six working days;  but on the sabbath it shall be opened, and in the day of the new moon"
Ezekiel 46:3: "gate before the LORD  in the sabbaths and in the new moons."
Ezekiel 46:4: "the prince shall offer unto the LORD  in the sabbath day shall be six lambs without blemish,"
Ezekiel 46:12: "and his peace offerings, as he did  on the sabbath day: then he shall go forth; and after his going forth"
Hosea 2:11: "to cease, her feast days, her new moons,  and her sabbaths, and all her solemn feasts."
Amos 8:5: "be gone, that we may sell corn?  and the sabbath, that we may set forth wheat, making the ephah small,"