==> language/english/etymology/portmanteau.s <==
Such words are called "Portmanteau" words.  Here is a very incomplete list:
beefalo		beef, buffalo
brunch		breakfast, lunch
chortle		chuckle, snort
fantabulous	fantastic, fabulous
flare		flame, glare
flounder	flounce, founder
glimmer		gleam, shimmer
glitz		glamour, ritz
liger		lion, tiger
motel		motor, hotel
smash		smack, mash
smog		smoke, fog
squiggle	squirm, wiggle
tangelo		tangerine, pomelo
tigon		tiger, lion
****
Unless noted otherwise, all words occur in Webster's Third New International
Dictionary, Merriam-Webster, Springfield, MA, 1961.