Rama Sundaram specializes in compiling technical glossaries in Tamil. His works include அறிவியல் கலைச்சொல்லகராதி வேளாண்மையியல், மண்ணறிவியல் (Ariviyal Kalaiccollakarati Velanmaiyiyal, Mannariviyal), a glossary encompassing agriculture and soil science, and பொறியியல் தொழில் நுட்பவியல் கலைச்சொற்கள் (Poriyiyal Tolil Nutpaviyal Kalaiccorkal), which focuses on engineering and technology vocabulary. Both volumes are published by Tamil University, Thanjavur, reflecting an academic approach to linguistic standardization in scientific fields.