sentences:  "C. V. Vyaakhyaana Kosham" is a 400-plus page lexicographic work in four volumes, based on Pillai's books.The work includes the explanations, elucidations and interpretations of over 700,000 Malayalam, Sanskrit, Tamil, Hindustani and English words used by him in his writings.The India Post issued a commemorative postage stamp on Pillai on 19 May 2010.