different between ruefully vs taxonomy

English

rueful +? -ly

ruefully (comparative more ruefully, superlative most ruefully)

In a rueful manner; causing, feeling, or expressing regret or sorrow.
He smiled ruefully at me.
He pushed his straw hat back, scratched his head, and laughed ruefully.

Borrowed from French taxonomie. Surface analysis taxo- +? -nomy.

taxonomy (countable and uncountable, plural taxonomies)

The science or the technique used to make a classification.
A classification; especially, a classification in a hierarchical system.
(taxonomy, uncountable) The science of finding, describing, classifying and naming organisms.

taxonomics
(science of finding, describing, classifying and naming organisms): alpha taxonomy

Send