seraph / serif 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. 👇
seraph: (noun) an angel of the first order; usually portrayed as the winged head of a child.
serif: (noun) a short line at the end of the main strokes of a character.
seraph: NA
serif: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)