primer / primmer [ˈprɪmɜr]
primer – adj. & n. – adj. 1. early, primitive; 2. first, leading, foremost; n. – 1. a small prayer book or devotional manual; 2. a book for teaching reading; 3. an introduction on a given subject
Do Not Confuse With primer [ˈpraimɜr] – n. – a mixture used to prepare a surface for painting; 2. a capsule with an explosive compound; 3. Biochemistry a molecule that starts a synthesis sequence; 4. a pheromone that acts on the endocrine system
primmer – adj. – comparative form of prim – 1. more formal or respectable; 2. more prudish, demure; 3. more ordered