Specific. I cannot pronounce that word. I just say “pacific” and be done with it.
“Similarly”
I used to have a friend that said “similarily”. (sim-i-lair-i-lee) That’s actually easier to say.
Magna-monius, errrr, I mean magna-nanamous. Dammit!
** deep breath **
Magnanimous.
Sunspace, the secret to pronouncing those ungodly consonant clusters in Armenian and Georgian is simply to insert schwa sounds between the consonants as needed.
But Tibetan pronunciation — good grief, that stuff is bizarrely gnarly and impossible to figure out!
I can never pronounce statistics or prescriptions without tripping over my tongue and/or stuttering.
So I usually just say stats and scripts. 
Just say vinyl flooring, the use of which has virtually completely replaced that of true linoleum. Linoleum hasn’t been widely used since the 1950s.
Cites:
Pretty much any time I say brewery, I sound like I’ve spent a few days drinking in one.
delurk
I have wiped from my lexicon the words “femininity” and “anonymity”. Just too much trouble to say and not be laughed at.
commences lurking
“Cellular”
Somehow I get stuck with seau-you-yur