Named HTML entities that can be closed with !

<img src=data: onerror="`&sect!x`==`&sect;!x`?alert('sect'):0">

<img src=data: onerror="`&ordf!x`==`&ordf;!x`?alert('ordf'):0">

<img src=data: onerror="`&Ccedil!x`==`&Ccedil;!x`?alert('Ccedil'):0">

<img src=data: onerror="`&frac14!x`==`&frac14;!x`?alert('frac14'):0">

<img src=data: onerror="`&agrave!x`==`&agrave;!x`?alert('agrave'):0">

<img src=data: onerror="`&Uuml!x`==`&Uuml;!x`?alert('Uuml'):0">

<img src=data: onerror="`&lt!x`==`&lt;!x`?alert('lt'):0">

<img src=data: onerror="`&thorn!x`==`&thorn;!x`?alert('thorn'):0">

<img src=data: onerror="`&atilde!x`==`&atilde;!x`?alert('atilde'):0">

<img src=data: onerror="`&ETH!x`==`&ETH;!x`?alert('ETH'):0">

<img src=data: onerror="`&acute!x`==`&acute;!x`?alert('acute'):0">

<img src=data: onerror="`&cedil!x`==`&cedil;!x`?alert('cedil'):0">

<img src=data: onerror="`&szlig!x`==`&szlig;!x`?alert('szlig'):0">

<img src=data: onerror="`&Ouml!x`==`&Ouml;!x`?alert('Ouml'):0">

<img src=data: onerror="`&REG!x`==`&REG;!x`?alert('REG'):0">

<img src=data: onerror="`&ugrave!x`==`&ugrave;!x`?alert('ugrave'):0">

<img src=data: onerror="`&Ntilde!x`==`&Ntilde;!x`?alert('Ntilde'):0">

<img src=data: onerror="`&Ocirc!x`==`&Ocirc;!x`?alert('Ocirc'):0">

<img src=data: onerror="`&Uacute!x`==`&Uacute;!x`?alert('Uacute'):0">

<img src=data: onerror="`&THORN!x`==`&THORN;!x`?alert('THORN'):0">