bias
its king!
soot
domicile
Sometimes, but only when the word would not be pronounceable without the extra syllable. After t or d, in English you can't have an immediately following t or d, so a vowel has to be inserted before the "-d" ending, and this new vowel produces an extra syllable.
another word for NEEDED starting with a D is dependable.
dog, bog
delivered
cadavered
Avid
exchanged
drama, diva, dementia
Stand
zoned
twinkled
experienced
Nonexistant