rebus -- Dad

re·bus  (rbs) n. pl. re·bus·es A representation of words in the form of pictures or symbols, often presented as a puzzle. [From Latin rbus, ablative pl. of rs, thing; see r- in Indo-European roots.]

The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

Dad loves words and puzzles, so I'm guessing he'd love rebuses.