| A | B |
| cogitate | to think carefully |
| demonstrate | to show or explain |
| demonstration | act of showing or explaining |
| immutable | unchangeable (not able to be changed) |
| laudable | worthy of praise |
| mutable | changeable (able to be changed) |
| portable | able to be carried |
| transport | to carry or convey from one place to another |
| amateur | one who does something as a hobby--for the love of it |
| amateur | one who does something poorly or unprofessionally (n. or adj.) |
| amateurish | not skillful, unprofessional |
| clamor | to make a loud outcry or insistently demand; loud outcry or insistent demand |
| collaborate | to work together, especially on a project that mainly uses the mind |
| collaborator | person with whom one collaborates (works together) |
| enamored | in love |
| exclaim | to speak out suddenly and with force |
| exclamation | a sudden and forceful saying |
| labor | work (n. or v.) |
| laborer | worker |
| laborious | requiring hard work |
| laboratory | room or building where scientific work is done |
| prefix co- | means "together" or "with" |
| suffix -or | means "person who" |
| suffix -er | means "person who" |
| suffix -ish | often means "like" |
| curable | able to be cured |
| incurable | not able to be cured |
| curative | tending to heal or cure; something that heals or cures |
| curator | keeper of a museum or library collection |
| expectant | looking forward to, anticipating |
| expectant | expecting the birth of a child |
| expectancy | eager anticipation |
| life expectancy | the time most people can expect to live |
| manicure | beauty treatment for the hands and fingernails |
| oratory (1) | a place for prayer |
| oratory (2) | the art of public speaking |
| suffix "-ant" | means "-ing" |
| suffix "-ory" | sometimes means "place where;" doesn't always mean "place where" |