Similar words
fierro
fierro and hierro are close synonyms for "iron," a regional variant; fierro is used colloquially in Latin America.
Similar in other languages
Portuguese
ferro
ferro is the Portuguese word for the same thing — both mean "iron."
Practice
1 What does hierro mean?
iron
2 Fill the gap: La puerta es de ___.
Full sentence: La puerta es de hierro. (The door is made of iron.)
3 Which fingerprint chart matches hierro?
hierro: neutral register, common frequency, general domain, neutral connotation.