Use name completion.

$ rm popd<tab>
[download]

Or wildcards

$ rm *popd*
[download]

Or filtered directory listings

$ find -maxdepth 1 -name "*popd*" -delete
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$ perl -e'opendir($dh,".") or die $!; for (readdir($dh)) { unlink $_ i
+f /popd/ }'
[download]