fairing / faring 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. 👇
fairing: (verb) join so that the external surfaces blend smoothly.
faring: (verb) eat well.
fairing: NA
faring: f·EH·r·iy·ng
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)