Genesis 1:31הַשִּׁשִּׁי פ
And God looked upon all that He had made, and indeed, it was very good. And there was evening, and there was morning—the sixth day.
Exodus 16:5הַשִּׁשִּׁי
Then on the sixth day, when they prepare what they bring in, it will be twice as much as they gather on the other days.”
Numbers 7:42הַשִּׁשִּׁי
On the sixth day Eliasaph son of Deuel, the leader of the Gadites, drew near.
1 Chronicles 2:15הַשִּׁשִּׁי
Ozem sixth, and David seventh.
Ezekiel 4:11שִׁשִּׁית
You are also to measure out a sixth of a hin of water to drink, and you are to drink it at set times.
Haggai 1:1הַשִּׁשִּׁי
In the second year of the reign of Darius, on the first day of the sixth month, the word of the LORD came through Haggai the prophet to Zerubbabel son of Shealtiel, governor of Judah, and to Joshua son of Jehozadak, the high priest, stating

Brown-Driver-Briggs

שִׁשִּׁי m. 22 שִׁשִּׁית f. 6 adj.num.ordin. sixth

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.