rectify vs amend

rectify and amend both are verbs.

Word	Noun	Adjective	Verb	Adverb
rectify	No	No	Yes	No
amend	No	No	Yes	No

As verbs, rectify and amend are synonyms defined as:

Other synonyms of rectify include remediate, remedy, repair.

As verbs, amend is a hyponym of rectify; that is, amend is a word with a more specific, narrower meaning than rectify:

Other hyponyms of rectify include rectify, remediate, remedy, repair, debug.

rectify (verb)	amend (verb)
set straight or right	to make better
make right or correct	set straight or right
reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities	make amendments to
convert into direct current
bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one
determine the length of