| A | B |
| Gratuitous | freely given or obtained |
| Gratuitous | unearned |
| Gratuitous | uncalled for |
| Gratuitous | without justification or cause |
| Etymology | the source and development of a word |
| Etymology | the study of word sources and development |
| Venerate | to regard with deep respect, honor, or esteem |
| Venerate | to revere |
| Truism | a statement the truth of which is obvious or well |
| Erudite | having or displaying extensive knowledge or skill |
| Erudite | learned |
| Erudite | scholarly |
| Charlatan | a person who falsely claims to possess expert |
| Charlatan | a quack |
| Charlatan | an imposter |
| Extol | to praise highly |
| Broach | to mention for the first time |
| Broach | to introduce a subject |
| Broach | to start a discussion of |
| Predispose | to create or possess a tendency or preference in advance |
| Predispose | to make susceptible |
| Immutable | never changing |
| Immutable | unchangeable |
| Immutable | unalterable |