Alphaeus = "changing"
derivation: of Hebrew origin [cf (02501)]
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=256&version=kjv

(02501)
Heleph = "exchange"
derivation: the same as (02500)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=2501&version=kjv

(02500)
1] in exchange for (only construct) prep
2] in return for
derivation: from (02498)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=2500&version=kjv

(02498)
1] to pass on or away, pass through, pass by, go through, grow up, change, to go on from
   1.a] (Qal)
       1.a.1] to pass on quickly
       1.a.2] to pass away (vanish)
       1.a.3] to come on anew, sprout again (of grass)
       1.a.4] to pass through
       1.a.5] to overstep, transgress
   1.b] (Piel) to cause to pass, change
   1.c] (Hiph)
       1.c.1] to change, substitute, alter, change for better, renew
       1.c.2] to show newness (of tree)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=2498&version=kjv

A link to each occurrence of this word in the homepage:
1] Alphaeus