subscript-fill

<svg fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M769-160v-70q0-13 8.5-21.5T799-260h91v-40H769v-30h121q13 0 21.5 8.5T920-300v40q0 13-8.5 21.5T890-230h-91v40h121v30H769Zm-534-80 185-291-172-269h86l135 213 135-213h86L518-531l185 291h-85L469-474 320-240h-85Z"/></svg>

<i class="ti ti-subscript-fill"></i>

ti ti-subscript-fill

<i class="ti ti-038979"></i>

ti ti-038979

<svg aria-hidden="true" focusable="false" fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M769-160v-70q0-13 8.5-21.5T799-260h91v-40H769v-30h121q13 0 21.5 8.5T920-300v40q0 13-8.5 21.5T890-230h-91v40h121v30H769Zm-534-80 185-291-172-269h86l135 213 135-213h86L518-531l185 291h-85L469-474 320-240h-85Z"/></svg>

<svg aria-hidden="true" focusable="false" fill="currentColor" xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 -960 960 960"><path d="M769-160v-70q0-13 8.5-21.5T799-260h91v-40H769v-30h121q13 0 21.5 8.5T920-300v40q0 13-8.5 21.5T890-230h-91v40h121v30H769Zm-534-80 185-291-172-269h86l135 213 135-213h86L518-531l185 291h-85L469-474 320-240h-85Z"/></svg>

https://cdn.jsdelivr.net/npm/@ticnob/icons@1/icons/subscript-fill.svg