The word "swollens" is a variation of the word "swollen" which means a part of the body becoming larger due to injury or illness. The spelling of this word is influenced by its pronunciation, as the syllable "-en" is pronounced as /ən/ in IPA phonetic transcription. Therefore, in some cases, the plural form of the word can be mistakenly spelled as "swollens" instead of "swollen" on the basis of the way it is pronounced. However, the correct spelling is always "swollen".