ordinary care vs due care

ordinary care and due care both are nouns.

Word	Noun	Adjective	Verb	Adverb
ordinary care	Yes	No	No	No
due care	Yes	No	No	No

As nouns, ordinary care and due care are synonyms defined as:

ordinary care and due care: the care that a reasonable man would exercise under the circumstances; the standard for determining legal duty

Other synonyms of ordinary care include reasonable care.

ordinary care (noun)	due care (noun)
the care that a reasonable man would exercise under the circumstances; the standard for determining legal duty	the care that a reasonable man would exercise under the circumstances; the standard for determining legal duty