Similar words
huésped
huésped specifically means a guest staying overnight, like a hotel guest or houseguest; invitado is more general, an invited guest, like at a party.
Similar in other languages
Portuguese
convidado
convidado is the Portuguese word for the same thing — both mean "guest."
Portuguese
hóspede
hóspede is the Portuguese word for the same thing — both mean "guest."
Practice
1 What does invitado mean?
guest
2 Fill the gap: Los ___ llegan a las ocho.
Full sentence: Los invitados llegan a las ocho. (The guests arrive at eight.)
3 Which fingerprint chart matches invitado?
invitado: neutral register, core frequency, general domain, neutral connotation.