What is another word for sub-stratal?
Pronunciation: [sˈʌbstɹˈatə͡l] (IPA) 
The word "sub-stratal" is used to refer to something that is situated beneath or underlying another thing. Synonyms for this word include foundational, basic, fundamental, underlying, and core. These words all describe the essential aspect of something that serves as the basis or foundation for a larger system. Other synonyms for "sub-stratal" include primary, elemental, and rudimentary. These words suggest that something is at the very beginning or foundation of a system or structure. Overall, the synonyms for "sub-stratal" indicate the importance of understanding foundational concepts in order to build a strong and successful system or structure.
