| apropos(preposition, respect, against, concerning) |
| concerning(preposition, apropos, against) |
| about(preposition, apropos, against) |
| touching(apropos, against) |
| as regards(expression, preposition, apropos, against) |
| in regard to(expression, idiom, preposition, apropos, against) |
| in relation to(expression, idiom, apropos, against) |
| against(apropos, concerning) |
| anent(preposition, apropos, against, concerning) |
| on the subject of(expression, idiom, apropos, against) |
| referring to(expression, preposition, apropos, against) |
| relative to(expression, preposition, apropos, against) |
| with reference to(expression, idiom, apropos, against) |
| with regard to(expression, idiom, preposition, apropos, against) |
| with respect to(expression, idiom, preposition, apropos, against) |
| as concerns(expression, apropos, against) |
| as respects(expression, apropos, against) |
| germane to(expression, apropos, against) |
| in connection with(expression, idiom, apropos, against) |
| in respect to(expression, idiom, apropos, against) |