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A quick equivalence-guide to the TeX Gyre fonts may be worthwhile.
Adventor = Avant Garde Gothic
Bonum = Bookman
Heros = Helvetica
Pagella = Palatino
Schola = New Century Schoolbook
Termes = Times Roman
I presume that the forthcoming Cursor = Courier and Chorus = Zapf Chancery.
Basically these are equivalents of the non-symbol, non-dingbat typefaces that came with PostScript level 2 printers (for example old Apple laser printers), and the originals were donated long ago by URW and its successor URW++ foundry to the free-software world, primarily for use with Ghostscript.
