The Swedish term "flärd, fåfänga, fåfänglighet" matches the English term "vanity"

other swedish words that include "flärd" : english :
flärd frivolity
flärdfri, opåverkad unaffected
flärdfull, fåfäng vain
other swedish words that include "fåfänga" : english :
meningslöshet, fåfänga futility
other swedish words that include "fåfänglighet" : english :
fåfänglighet vainness