Darwin
dentin
detain
devein
dioxin
dobbin
domain
dubbin
dublin
bias
its king!
domicile
soot
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.
delivered
dog, bog
despises
Nonexistant
exchanged
drama, diva, dementia
Doing
cadavered
Death?
Stand
Avid