Proto-Germanic *aspō

→ English asp (inherited)

→ Old English æspe (inherited)

→ Middle English aspe (inherited)

→ Finnish haapa (derived)

→ Dutch esp (inherited)

→ Norwegian Nynorsk osp (inherited)

→ Old Norse ǫsp (inherited)

→ Swedish asp (inherited)

→ Old Armenian ոփի (cognate)