This is the 261st most frequent Dutch word.
zowel
"As well as" or "both."
In this sentence, 'zowel' is used to mean 'both', introducing two items (apples and pears) that are equated and joined by 'als'.
Ik hou van zowel appels als peren.
I love both apples and pears.
In this sentence, 'zowel' connects two benefits (weight loss and energy boost) attributed to the same subject (the new diet plan).
Het nieuwe dieetplan belooft zowel gewichtsverlies als een energieboost.
The new diet plan promises both weight loss and an energy boost.
Here, 'zowel' is again used to mean 'both', connecting two subjects (English and Spanish) that share the same attribute (being spoken fluently).