Usually at sliders for related products, new products etc. the items' heights are not aligned.
Paste this in an scss file of your choice
.slick-track {
display: flex !important;
}
.slick-slide {
height: auto;
.card {
height: 100%;
position: relative;
display: flex;
flex-direction: column;
justify-content: flex-end;
}
}