tailor-made vs made-to-order

tailor-made is a noun but made-to-order is not a noun.

Word	Noun	Adjective	Verb	Adverb
tailor-made	Yes	Yes	No	No
made-to-order	No	Yes	No	No

As adjectives, tailor-made and made-to-order are synonyms defined as:

Other synonyms of tailor-made include bespoke, bespoken, tailored.

tailor-made (noun)	made-to-order (noun)
custom-made clothing

tailor-made (adjective)	made-to-order (adjective)
(of clothing) custom-made	(of clothing) custom-made
	built for a particular individual