¿Bienvenido ó bienvenida?

"Bienvenida" is a noun which is often translated as "welcome", and "bienvenido" is an adjective which is also often translated as "welcome".


As a greeting, it's bienvenido. [1]

¿Bien, buen ó bueno/a?

Bien is an adverb

en españolen inglés
No estoy bien.I'm not well.

[...] use it as a synonym of muy (very, really), in expressions such as these:

  • Con este frío me apetece tomar un chocolate bien caliente. (In this cold weather, I fancy having a very hot chocolate.)
  • Después de hacer ejercicio, me gusta tomar una limonada bien fresca. (After doing exercise, I like to have a very cool lemonade.)


Bueno/a is an adjective

en españolen inglés
El libro es buenoThe book is good.


The main difference with buen is that bueno must be used after the noun or verb it modifies. For instance, “La película es buena.” learning a second language

In contrast, buen always precedes a masculine noun.


More info

https://spanishlandschool.com/bien-vs-bueno/ https://study.com/academy/lesson/whats-the-difference-between-bien-buen-bueno.html