reflection vs consideration

reflection and consideration both are nouns.

Word	Noun	Adjective	Verb	Adverb
reflection	Yes	No	No	No
consideration	Yes	No	No	No

As nouns, consideration is a hypernym of reflection; that is, consideration is a word with a broader meaning than reflection:

reflection (noun)	consideration (noun)
the image of something as reflected by a mirror (or other reflective material)	a considerate and thoughtful act
the ability to reflect beams or rays	kind and considerate regard for others
a likeness in which left and right are reversed	the process of giving careful thought to something
a calm, lengthy, intent consideration	information that should be kept in mind when making a decision
a remark expressing careful consideration	a discussion of a topic (as in a meeting)
expression without words	a fee charged in advance to retain the services of someone
the phenomenon of a propagating wave (light or sound) being thrown back from a surface
(mathematics) a transformation in which the direction of one axis is reversed