As nouns the difference between terms and ach
is that terms is while ach is (military|us).
As a proper noun ach is
(banking|us) , an electronic banking network often used for direct deposit and electronic bill payment.
terms
English
Noun
(head)
Statistics
*
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ach
English
Alternative forms
* ache
Noun
(
en noun)
(obsolete) A name given to several species of plants; as, smallage, wild celery, parsley.