Reino vs. reina
'Reino' and 'reina' are Spanish words that often confuse learners because they look similar but have different meanings and uses.
Reino
The word 'reino' means 'kingdom'. It refers to a territory or domain ruled by a king or queen, or it can be used metaphorically to describe an area or field of activity.
El reino de España es muy antiguo.
(The kingdom of Spain is very old.)
En el reino animal, los leones son considerados los reyes.
(In the animal kingdom, lions are considered the kings.)
Este es mi reino, donde yo tengo control sobre todo.
(This is my realm, where I have control over everything.)
Reina
The word 'reina' means 'queen'. It refers to a female monarch who rules a kingdom, or it can be used more loosely to describe a woman who holds preeminent position or power in a particular area.
La reina Isabel II gobernó durante muchos años.
(Queen Elizabeth II reigned for many years.)
Ella es la reina de la moda en esta ciudad.
(She is the queen of fashion in this city.)
La reina dio un discurso inspirador para su pueblo.
(The queen gave an inspiring speech to her people.)
Summary
'Reino' and 'reina' are distinct words in Spanish: 'reino' means 'kingdom', referring to a domain under a ruler's control, while 'reina' means 'queen', referring to a female monarch. Both words can also be used metaphorically in various contexts.