espionner bedeutet auf Englisch

spy [spied, spying, spies]▼◼◼◼(to act as a spy)
verb
[UK: ˈspaɪ] [US: ˈspaɪ]They're spies. = Ce sont des espionnes.

snoop [snooped, snooping, snoops]▼◼◼◻(to be devious and cunning so as not to be seen)
verb
[UK: snuːp] [US: ˈsnuːp]

snoop [snooped, snooping, snoops]▼◼◼◻(to secretly spy on or investigate, especially into the private personal life of others)
verb
[UK: snuːp] [US: ˈsnuːp]

snoop around▼◼◻◻(to snoop)
verb
[UK: snuːp ə.ˈraʊnd] [US: ˈsnuːp ə.ˈraʊnd]