This is the 3776th most frequent French word.
spacex
"SpaceX" is not a French word; it refers to an American aerospace company founded by Elon Musk.
Here, 'SpaceX' is used as the name of a company.
SpaceX est une entreprise innovante spécialisée dans l'aérospatial.
SpaceX is an innovative company specialized in aerospace.
In this sentence, 'SpaceX' is referred to as the organization responsible for the satellite launch.
J'ai regardé le lancement du satellite par SpaceX hier soir.
I watched the satellite's launch by SpaceX last night.
Here, 'SpaceX' is mentioned as a potential employer.