The English term "principally, mainly, especially, specially" matches the Dutch term "in het bijzonder"

other english words that include "mainly" : dutch :
specially, mainly, chiefly, especially inzonderheid
other english words that include "especially" : dutch :
specially, mainly, chiefly, especially inzonderheid
especially vooral
other english words that include "specially" : dutch :
specially, mainly, chiefly, especially inzonderheid
especially vooral