JSFiddle - React, Tailwind, and code Playground
HTML
<div class="container">hello <sub>world</sub>, how are you? Translated as logical aggregates or associative compounds, these characters have been interpreted as combining two or more pictographic or ideographic characters to suggest a third meaning.</div>
CSS
.container {
width: 300px;
}
sub {
vertical-align: text-bottom;
position: relative;
top:.2em;
}