A peculiarity of the Rif dialect is the change of the Arabic "1" to "r," and this would seem to support this derivation, "b" and "f" being interchangeable through "v."
During the Carolingian epoch, indeed, advocatus and vice-dominus were interchangeable terms; and it was only in the 11th century rthat they became generally differentiated: the title of avoue being commonly reserved for nobles charged with the protection of an abbey, that of vidame for those guarding an episcopal see.
By the latter part of the 16th century the terms Sodor and Man had become interchangeable, the bishopric being spoken of as that of Sodor or Man.
This cipher alphabet is called Albam, from the first interchangeable pairs.
If an element be present in a compound otherwise than as an ion, it is not interchangeable, and cannot be recognized by the usual tests.
To this it may be objected that presbyters and bishops are never mentioned together, and that the names were interchangeable (Acts xx.
The fact that linguistically Serb and Croat had thus become interchangeable terms, only to be distinguished by the respective use of the Cyrillic and Latin alphabets, inevitably reacted upon the political situation, and served as an incentive to the movement for unity.
Nor are the terms interchangeable now; for not all metropolitans are archbishops,' nor all archbishops metropolitans.
Fore-sights are made right and left; tangent sights are interchangeable, the graduations are cut on the horizontal edges above and below, so that the sight can be changed from right to left or vice versa by removing and reversing the bar.
Here we get the link with physics and chemistry alluded to above, which is obtained by the recognition of new forms of energy, interchangeable with what may be called mechanical energy, or that associated with sensible motions and changes of configuration.
But it is possible that the terms at an early date were interchangeable, Canaan being geographical and Amorite ethnical.
The frames and lights should be of one size so as to be interchangeable, and a good supply of extra lights (sashes) may always be turned to good account for various purposes.
In the level the eye-piece and object-glass are interchangeable, to facilitate adjustment for collimation.
He lays special stress on the point that abstract ideas when held in their abstraction are almost interchangeable with their opposites - that extremes meet, and that in every true and concrete idea there is a coincidence of opposites.
Another form of the word, "Egotism," is really interchangeable, though in ordinary language it is often used specially (and similarly "egoism," as in George Meredith's Egoist) to describe the habit of magnifying one's self and one's achievements, or regarding all things from a selfish point of view.
The word "unalienable" (or "inalienable"—they are interchangeable) means, "unable to be taken away from or given away by the possessor."