I cannot speak for all left-brained individuals, but I always found word analogies to be the hardest to prepare for. Because I might be a weirdo, I have a list of words that appear often on all standardized tests to help the language deficient people like me. I hope someone can benefit from the labor of love this list has been:
Abolish, abridge, abstemious, accent, accent(ed), accolade, acquiesce, affirmation, amass, ambivalence(ambivalent), ambulatory, ameliorate, amity, anchor, antediluvian, ascendancy, atrophy.
Bane(ful), bizarre, blunder, bungle, burgeon.
Capitulate(capitulation), capricious, clemency, coalesce(nce), cohere(nt), compress(ion), confide(ntial), confound, congeal, contaminate(contaminant), converge, convivial, copious, corroborate, corrugated, corrupt(ion), cursory.
Daunt, dauntless, debilitate, deplete, discrepancy, disentangle, dsputatious(dispute), distend(distention), drawback.
Efface, effervesce(nt), enhance, enigmatic, ephemeral, equilibrium, euphonious(euphony), evacuate, evanescent, expedite(expeditious), expendable(expenditures), exclude.
Facilitate, fallow, fertile, flourish(flower), fraudulent, fruitful(fruitless).
Garner, guile.
Hackneyed, hefty, hideous, hilarity, humane, hypocrisy(hypocritical).
Innocuous, irascible.
Jettison.
Kindle.
Leniency(lenient), levity(levitate), listless.
Maladroit, mitigate, mobile, munificent, munificence, myriad.
Nefarious.
Obscure(obscurity), opaque(opacity).
Parsimony, paucity, penury, peripheral(periphery), placate, precise(precision), premature, premeditated, prevalent, proclivity, prodigal(prodigious), profuse(profusion), pulverize(d).
Rant, recalcitrant, recant, replete, rescind, reverse, ruffle, rupture.
Saccharine, salubrious, somber, specify(specificity), spurn, squander, stymie, subtle, summary, summon, sumptuous, surreptitious(ly).
Tantamount, tenacious(tenacity), transience(transient), turbulence.
Venturesome, viable, vibrancy(vibrant), vilification, virulence(virulent).
Whet.
Zany.
When I have more time, I can create a list of the most important prefixes, roots, and suffixes. Becoming familiar with all of this helped me out a lot, so I am just throwing it out there for the rest of you.