Words
ஒரு பொருள் குறித்த பல உரிச்சொல்
Oru Porul Kuṛiththa Pala Urichol
Explanation
A உரிச்சொல் type: many different words that all express the same single meaning.
Story
A thesaurus entry listing 4 different words all meaning very much is, in classical grammar terms, cataloguing one meaning shared by many உரிச்சொல்.
Example
சால, உறு, தவ, நனி - four different words, all meaning "excess/greatly".