He wanted substantial work.The meal provided substantial nourishment.Her promotion came with a substantial pay increase.
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Substantive
/səbˈstæntɪv/
This describes something important or serious in terms of content, rather than appearance or form.
Examples:
A substantive rule governs the rights of the parties involved.The debate had substantive discussions on policy reforms.Her contributions to the project were substantive, not merely formal.
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Ways to tell them apart:
Substantial often refers to something large in size, value, or importance, like a substantial meal or a substantial amount of money.
Substantive is more about the essence or core, meaning something that has a firm basis in reality, like substantive evidence.
Remember that substantial often deals with quantity or magnitude, while substantive deals more with the quality or significance.
Substantial can often be measured or quantified, whereas substantive usually relates more to abstract or qualitative assessments.
Think of substantial as tangible and substantive as the essence or underlying reality of something.