Achene and Samara

Achene noun - Small dry indehiscent fruit with the seed distinct from the fruit wall.

Samara and achene are semantically related. In some cases you can replace term "Samara" with "Achene", this nouns are similar.

Samara noun - A winged often one-seed indehiscent fruit as of the ash or elm or maple.

Achene and samara are semantically related. You can use "Achene" instead a noun "Samara".