diapensia

As nouns the difference between terms and diapensia

is that terms is while diapensia is an evergreen arctic shrub, diapensia lapponica .

As nouns the difference between shrub and diapensia

is that shrub is a woody plant smaller than a tree, and usually with several stems from the same base or shrub can be a liquor composed of vegetable acid, fruit juice (especially lemon), sugar, sometimes vinegar, and a small amount of spirit as a preservative modern shrub is usually non-alcoholic, but in earlier times it was often mixed with a substantial amount of spirit such as brandy or rum, thus making it a liqueur while diapensia is an evergreen arctic shrub, diapensia lapponica .

As a verb shrub

is (obsolete) to lop; to prune.