The phrase "and interchangeably" is correct and usable in written English.
It can be used when discussing two or more terms or concepts that can be used in place of each other without changing the meaning.
Example: "The terms 'data' and 'information' are often used and interchangeably in everyday conversation."
Alternatives: "and synonymously" or "and in place of each other".
He referred to himself in the third person and interchangeably with "we the people".
As sharp-tongued on the phone as on their show, they spoke rapidly and interchangeably; much of the time, it was impossible to determine which Magliozzi was talking.
As a formal address, it is found frequently in the Paston Letters (15th century), but it is used loosely and interchangeably with other styles.
It can handle a variety of graphical technologies simultaneously and interchangeably, allowing the user to choose the visual representation most appropriate to requirements.
(I tested adapters from LinkSys, which are available now, and those from Gigafast, which ship next month; but in principle Powerline products from all manufacturers work identically and interchangeably).
His talk may have been at Harvard, but Mr. Gioia gave what sounded like his standard stump speech, or corporate motivational speech, slick and interchangeably appropriate to almost any audience.
One way to settle our problem is to use the terms "capacity" and "competence" interchangeably and warn against exceptions.
Throughout, we use the concepts of structure and domain interchangeably and define it at the level of homologous superfamily.
Subjects also used the words numbness and pins and needles interchangeably to describing pain symptoms.
But occasionally you can use -free and -less interchangeably, as in sugarless and sugar-free.
In addition, SPL9 and SPL15 interchangeably control shoot maturation and leaf initiation [ 13].
