What are some different ways the Bible refers to the 7-year Tribulation period?

Wrath/Day of Wrath (Zeph 1:15)

Indignation (Isa 26:20)

Heat (Jer 17:8)

Plagues (Lev 26:21)

Trouble/Time of Trouble (Psa 27:5)

Jacob’s Trouble (Jer 30:7)

Travail (I Thes 5:3)

Anger/Day of Anger (Zeph 2:3)

As Sodom and Gomorrah (Deut 29:23)

Desert/Parched/Withered (Jer 17:6)

Salt (Jer 17:6)

Anguish (Rom 2:9)

Judgment (Rom 2:5)

Destruction/Day of Destruction (Job 5:22)

Famine (Psa 37:19)

Fire/Fiery/Burning (Psa 21:9)

Oven/Furnace (Mal 4:1)

Cup of Fury/Wrath/Indignation (Jer 25:15)

Seven Times (Dan 3:19)

(70th) Week (Dan 9:24, 27)

Days of Baalim (Hos 2:13)

Day of Evil/Evil Time (Prov 16:4)

Darkness/Day of Darkness (Job 15:23)

Cloudy Day (Eze 34:12)

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(Verses given are not an exhaustive list.)