As you may have noticed, above you will find words for "Any of a group of molecules or ions that have the same number of valence electrons and have chemical or physical similarities. For example, SH, NH2 and CH3 are isosteres of OH.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.