<div class="col-12 projects__cards">
<svg class="projects-paths" width="740" height="405" viewBox="0 0 740 405" fill="none" xmlns="http://www.w3.org/2000/svg">
<path id="path-1" d="M220 103V1........" fill="#00AAFF"></path></svg>
<div class="projects__card text-center projects__card-7"></div>
</div>
$('.projects__card-7').hover(
function() {$('.projects-paths #path-1').show(); },
function() {$('.projects-paths #path-1').hide();}
);
*... если много элементов на которые придётся наводить*
$('.project__card-*...*').hover(
function() {$('.project__paths #path_id*...*').show(); },
function() {$('.project__paths #path_id*...*').hide();}
);
<div class="col-12 projects__cards">
<svg class="projects-paths" width="740" height="405" viewBox="0 0 740 405" fill="none" xmlns="http://www.w3.org/2000/svg">
<path id="path-1" d="M220 103V1........" fill="#00AAFF"></path></svg>
<div class="projects__card text-center" data-pathid="path-1"></div>
</div>
$('.projects__card').hover(
let path_id = $(this).data('pathid');
function() {$('.projects__card #'+path_id ).show(); },
function() {$('.projects__card #'+path_id ).hide();}
);
<style>
.projects__cards{
display: -webkit-flex;
display: -moz-flex;
display: -ms-flex;
display: -o-flex;
display: flex;
justify-content: flex-start;
align-items: flex-start;
flex-wrap: wrap;
flex-direction: column-reverse;
}
.projects__card-7:hover + svg path{
display: block !important;
}
</style>
<div class="col-12 projects__cards">
<div class="projects__card text-center projects__card-7">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Aperiam amet sapiente distinctio, temporibus tenetur sint, blanditiis non ipsam minima maiores, ipsum illum molestias, deleniti rerum qui! Autem, sed quasi culpa.</div>
<svg class="projects-paths" width="740" height="405" viewBox="0 0 740 405" fill="red" xmlns="http://www.w3.org/2000/svg">
<path style="display: none;" d="M 213.1,6.7c -32.4-14.4-73.7,0-88.1,30.6C 110.6,4.9,67.5-9.5,36.9,6.7C 2.8,22.9-13.4,62.4,13.5,110.9C 33.3,145.1,67.5,170.3,125,217c 59.3-46.7,93.5-71.9,111.5-106.1C 263.4,64.2,247.2,22.9,213.1,6.7z" /></svg>
</div>