1. to lie under or beneath; be situated under.
2. to be at the basis of; form the foundation of.
3. Grammar. to function as the root morpheme or original or basic form of (a derived form): The form “boy” underlies “boyish.”.
4. Finance. to be primary to another right or security.
"principles can be underlie."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.