###Common roots
**Root** | **Meaning** | **Example** -|-|- act | do | activity aud | hear | audience aqua | water | aquarium bene | good | benefit, beneficial bio | life | biology chron | time | chronology dict | say, speak | dictate form | shape | transform geo | earth | geography graph | write | autograph loc | place | location log | word, reason | dialogue mal | bad | malevolent, malicious mot, mov | move | motion, movie phon | sound | telephone photo | light | photograph port | carry | portable rupt | break | interrupt scrib, script | write | describe spec, spect | see | spectator struct | build | construct tele | far | television therm | heat | thermometer vid, vis | see | visible
###Common prefixes
**Prefix** | **Meaning** | **Example** -|-|- anti- | against | antibiotic auto- | self | automatic bi- | two | bicycle com-, con- | together, with | combine, connect de- | down, away | descend, dehydrate dis- | not, opposite | disagree e-, ex- | out of | emerge, exit in-, im- | not | incorrect, impossible inter- | between | interact mis- | wrong | misspell non- | not | nonfiction pre- | before | preview re- | again, back | rewrite sub- | under | submarine super- | above, more | superhero trans- | across | transport un- | not | unhappy
###Common suffixes
Suffixes often indicate that a word is a certain part of speech, so the table below notes which part of speech is most commonly created by each suffix.
**Suffix** | **Meaning** | **Part of speech** | **Example** -|-|- -able, -ible | capable of | adjective | readable, flexible -al | relating to | adjective | beneficial, natural -er, -or | one who does | noun | teacher, actor -ful | full of | adjective | helpful -icious | full of | adjective | malicious -ish | somewhat like | adjective | childish -ist | one who practices | noun | artist -less | without | adjective | hopeless -ly | in a certain way | adverb | quickly -ment | result, process | noun | movement -ness | state or quality | noun | kindness -ology | study of | noun | biology -ous | full of, having | adjective | famous -tion, -sion | act or state | noun | action, discussion -y | having the quality of | adjective | rainy