+ able (a-buhl)

suffix


acceptance (ak-sept-anss)

noun


accountable (a-cownt-u-buhl)

adjective


accurate (ak-yuh-ruht)

adjective


adjective (aj-ik-tiv)

part of speech


adverb (ad-vurb)

part of speech


+ al (ol)

suffix


apathy (ap-ath-ē)

noun


autumn (o-tum)

noun


believe (bē-lēv)

verb


billion (bill-yun)

noun or adjective


bio+ (bī-o)

prefix


biodiversity (bī-ō-dī-vur-si-tē)

noun


biologist (bī-ol-ō-jist)

noun


campaign (kam-pān)

noun

This word can also be used as a verb, as in the following:


challenge (chal-lenj)

verb OR noun


circumference (sur-kum-fer-uhns)

noun


consequences (con-sē-kwen-sez)

noun


creativity (crē-ā-tiv-i-tē)

noun


democratic (dem-ō-krat-ic)

adjective


diameter (dī-am-et-er)

noun


donation (dō-nā-shun)

noun


element (el-u-ment)

noun


endangered (en-dān-jurd)

adjective


erupt (ē-rupt)

noun


extinct (ex-tingt)

adjective


frequently (frē-kwent-lē)

adverb


frustrating (frus-trā-ting)

adjective


generous (jen-er-us)

adjective


habitat (hab-i-tat)

noun


historic (hiss-tōr-ic)

adjective


honesty (on-es-tē)

noun


horizon (hōr-ī-zun)

noun


+ ies (ēz)

suffix


+ ight (īt)

key pattern


ignorance (ig-nōr-enss)

noun


illegal (il-lē-guhl)

adjective


impression

noun


in+ (in)

prefix


inconsistent (in-con-sis-tent)

adjective


independence (in-dē-pen-denss)

noun


independently (in-dē-pen-dent-lē)

adverb


intense (in-tenss)

adjective


limited (lim-it-ed)

adjective


+ ly (lē)

suffix


mysterious (miss-tē-rē-us)

adjective


nervous (nur-vus)

adjective


noun (nown)

part of speech


opportunities (op-pur-too-nuh-tēz)

plural noun


+ ous (us)

suffix


participation (par-ti-si-pā-shun)

noun


personalized (pur-sun-all-īzd)

adjective OR past tense verb


prefix (prē-fiks)

part of speech


probability (prob-a-bil-i-tē)

noun


procrastinate (prō-cras-ti-nāt)

verb


quickly (kwik-lē)

adverb


radius (rā-dē-uss)

noun


redeem (rē-dēm)

verb


research (rē-surch)

verb / noun


respectful (rē-spekt-full)

adjective


root word

an important idea in vocabulary


scale (skāl)

noun / verb


strategy (stra-te-jē)

noun


subtle (suh-tuhl)

adjective


suffix (suhf-iks)

part of speech


technology (tek-nol-ō-jē)

noun


transition (tranz-i-shun)

noun or verb


turmoil (tur-moil)

noun


underestimate (un-der-es-tim-āt)

verb


upheaval (up-hē-vuhl)

noun


unintentionally (un-in-ten-shun-all-lē)

adverb


unpredictable (un-prē-dikt-a-buhl)

adjective


unreasonable (un-rē-zun-a-buhl)

adjective


unteachable

adjective