practice vs pattern

practice and pattern both are nouns.

Word	Noun	Adjective	Verb	Adverb
practice	Yes	No	Yes	No
pattern	Yes	No	Yes	No

As nouns, practice and pattern are synonyms defined as:

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

Other hyponyms of practice include custom, tradition, convention, formula, normal, rule, heritage.

practice (noun)	pattern (noun)
a customary way of operation or behavior	a customary way of operation or behavior
systematic training by multiple repetitions	a decorative or artistic work
the exercise of a profession	a perceptual structure
translating an idea into action	a model considered worthy of imitation
knowledge of how something is usually done	something intended as a guide for making something else
	something regarded as a normative example
	graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle
	the path that is prescribed for an airplane that is preparing to land at an airport

practice (verb)	pattern (verb)
learn by repetition	plan or create according to a model or models
engage in a rehearsal (of)	form a pattern
carry out or practice; as of jobs and professions
avail oneself to
engage in or perform