Eucalypt and White ash

Eucalypt noun - A tree of the genus Eucalyptus.

White ash and eucalypt are semantically related. In some cases you can replace phrase "White ash" with "Eucalypt", this terms are similar.

White ash noun - Small to medium-sized tree of Australia and Tasmania having smooth white to light-grey bark shedding in patches or strips.

Eucalypt and white ash are semantically related. You can use "Eucalypt" instead a noun phrase "White ash".