Swell

excelente

(excellent — see also excellent)

mar de fondo

(series of waves, lasting after the wind has ceased)

finchar (disused)

(to cause to become bigger)

hinchar

(to cause to become bigger)

hincharse

(intransitive: to become bigger, especially due to being engorged)

inflar

(to cause to become bigger)

inflarse

(intransitive: to become bigger, especially due to being engorged)