tendency vs dogmatism

tendency and dogmatism both are nouns.

Word	Noun	Adjective	Verb	Adverb
tendency	Yes	No	No	No
dogmatism	Yes	No	No	No

As nouns, dogmatism is a hyponym of tendency; that is, dogmatism is a word with a more specific, narrower meaning than tendency:

tendency: an attitude of mind especially one that favors one alternative over others
dogmatism: tendency to assert principles as undeniably true

tendency (noun)	dogmatism (noun)
a characteristic likelihood of or natural disposition toward a certain condition or character or effect	tendency to assert principles as undeniably true
an attitude of mind especially one that favors one alternative over others
an inclination to do something
a general direction in which something tends to move