Support vs Underlie

When to use each in English, with meaning, register, and examples.

 SupportUnderlie
MeaningTo give help or assistance.to be the basis or cause of something
CEFR levelA2B1
Part of speechverb
Usage notesThis word can be used in many contexts like emotional support, financial help, or supporting a cause. It's appropriate in both casual and formal contexts.Used mostly in academic or formal contexts; not common in everyday conversation. Be careful to use it in discussions about theories or ideas.

Frequently asked questions: Support vs Underlie

What's the difference between "Support" and "Underlie"?

"Support" means: To give help or assistance. "Underlie" means: to be the basis or cause of something

When should I use "Support" and "Underlie"?

They can all be used in everyday English.

Are "Support" and "Underlie" the same CEFR level?

"Support" is at A2, "Underlie" is at B1 on the CEFR scale.

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