There are no 6 letter words that contain the 7 letters igwnaeb. The letters can be used to spell words such as began, begin and binge.
Carhop
compelconsulcorralcarnal
kitsch
Intent.
trudge
orange
Citric, cistic
centre or cirque
It is a six letter word starting with the letter H and ending in the letter S
Likely candidate is the word: Inform.
Terror is an antonym for fearlessness.
critic