The word "de-forms" is spelled with the prefix "de-" which means "opposite of" or "removal of". The second part of the word is "forms" which means "shapes" or "structures". The pronunciation of "de-forms" is [dɪˈfɔːmz], with the stress on the first syllable "de-". The phonetic transcription of this word shows that the vowel sounds are pronounced as /ɪ/ and /ɔː/ while the final letter "s" in "forms" is pronounced as /z/.