WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / P / principal series principal series /prɪnsəpəlsiriz/ 16 letters Scrabble 21 WWF 26 Definitions Look “principal series” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →