This is the 5264th most frequent Swedish word.
est
"Est" in Swedish means "Estonian" (a person from Estonia).
The word 'bästa' (which stems from 'est') is used as a superlative form to denote the most exemplary quality in comparison with others.
Hon är den bästa dansaren i gruppen.
She is the best dancer in the group.
In this sentence, 'snabbaste' (deriving from 'est') is utilized to describe the car which has the highest speed, given as a superlative adjective.
Den snabbaste bilen vann loppet.
The fastest car won the race.
Here, 'högsta' (linked to 'est') functions as a superlative adjective to express the greatest height among mountains globally.