puer / pure are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
puer: NA
pure: (adjective) free of extraneous elements of any kind. (adjective) free from discordant qualities. (adjective) concerned with theory and data rather than practice; opposed to applied. (adjective) (used of persons or behaviors) having no faults; sinless; - Sylvia Plath. (adjective) in a state of sexual virginity.
puer: NA
pure: p·y·UH·r
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)