dichlorodifluoromethanes (24 letters)
demethylchlortetracycline
Overenthusiastically or Overapprehensiveness Both are 20 letters long :D
draindreaddream
How about "density"?
The word is rodents.
demethylchlortetracycline
Ah, what a delightful question! The longest word that starts with the letter "d" is "deinstitutionalization." It's a word that represents the important process of transitioning individuals from institutions back into their communities. Just like in painting, every stroke in a word has its own beauty and purpose.
determined
Overenthusiastically or Overapprehensiveness Both are 20 letters long :D
draindreaddream
dauntless
How about "density"?
delivered
deal
domicile
dreamy ;)
deduce