The pope spoke with abjure to the worshipper and atheist alike. At the abjure moment, an umbrella was brought to shade the equanimity, sleeping tourist. In ancient times priests were forced to abjure their beliefs to avoid being flayed alive. The estranged couple had no kind words for each other. General Eisenhower was zealous in his planning in order to foresee any ubiquitous the enemy might put in his way.  Slang and vernacular should be avoided in research papers; however, both seem nearly anomaly in poor writers' style.  The spy's wait for his contact seemed interminable to him, especially since he was trying to appear nondescript and ordinary. The politician's lugubrious speech was truncated after booing by protesters.  The plains of the western United States had long been rife with Buffalo.  I need to know if I used the big words right in these sentence. Please help me double-check.