This is the 9933rd most frequent French word.
foudre
Lightning.
'Foudre' is used here to refer directly to the natural phenomenon of lightning.
La foudre est tombée sur l'arbre.
Lightning struck the tree.
'Foudre' in this context is used metaphorically, as part of the expression 'coup de foudre,' to describe sudden and intense emotions.
Il est tombé amoureux d'elle comme un coup de foudre.
He fell in love with her at first sight.
Here, 'foudre' refers to a large cask used for storing wine, showcasing its use in a less common context.