Similar words
fonda
fonda and posada are close synonyms for "inn," largely interchangeable.
mesón
mesón leans toward a traditional tavern-inn that also serves food; posada is a more basic lodging house — both mean "inn."
Similar in other languages
German
Herberge
Herberge is the German word for the same thing — both mean "hostel, inn."
English
hostel
Close — an inn relates to a hostel.
Practice
1 What does posada mean?
inn
2 Fill the gap: Dormimos en una ___.
Full sentence: Dormimos en una posada. (We slept at an inn.)
3 Which fingerprint chart matches posada?
posada: neutral register, common frequency, general domain, neutral connotation.