| dead certainty |
| deadliness(noun, loss, destruction, disaster, death) |
| deadness(noun, destruction, death, demise, pathology) |
| demand(need, essential, requirement, prerequisite, essentiality) |
| desideratum(need, essential, requirement, prerequisite, essentiality) |
| determinacy |
| determinateness |
| determination(noun, assurance, certainty, conviction) |
| dies funestis |
| disease(noun, destruction, death, demise, pathology) |
| dogmatism(noun, store, trust, confidence, assurance) |
| doom |
| duress(need, essential, requirement, prerequisite, essentiality) |
| eeriness(noun, destruction, death, demise, pathology) |
| enforcement |
| essence(need, essential, requirement, prerequisite, essentiality) |
| essential(need, requirement, prerequisite, essentiality, needfulness) |
| essentiality(need, essential, requirement, prerequisite) |
| exaction(need, essential, requirement, prerequisite, essentiality) |
| exigency(need, essential, requirement, prerequisite, essentiality) |