calamit appears in definitions for these words:
Adverse Adversity Affliction Apprehend Avert Bale Baleful Balefully Bear Bitter Black Blast Blow Break Calamitous Calamity Catastrophe Comfort Cure Curse Darkness Date Deluge Deplorable Desponding Direful Disappointment Disaster Disastrous Disastrousness Dismal Distress Distressed Distressful Draw Evil Example Existence Fast Fatal Fortify Glad Grievously Grievousness Hand Heavily Heavy Iliad Ill Imprecate Imprecation Inevitable Intestine Judgment Liable Loke Malevolent Manichean Melancholy Mischance Mischievousness Miserabale Miserably Misery Misfortune Mitigate Mitigation Mournful National Oppression Patience Piston Place Plague Portent Pressure Public Punish Refuge Sad Sadly Salvation Scourge Series Sharpness Shorten Solace Sore Source Stelechite Storm Strait Stroke Subordination Succumb Suddenly Thanksgiving Tort Tragic Trouble Unhappily Unhappiness Unhappy Uninterested Unsting Visitation Walk Wed Welfare Wish Wo Woful Wofulness Word Worst Wretched Yourself