| double for(verb, expression, phrasal verb, cover, relieve) |
| relieve(verb, support, help, cover, relief) |
| replace(verb, exchange, switch, swap, interchange) |
| spell(verb, support, cover, aid, relief) |
| substitute(verb, mean, cover, show, produce) |
| substitute for(verb, expression, phrasal verb, support, aid) |
| back up(verb, expression, exchange, switch, replace) |
| displace(verb, exchange, switch, replace, swap) |
| pinch-hit for |
| supplant(verb, exchange, switch, replace, swap) |
| act for(verb, expression, mean, exchange, replace) |
| answer for(verb, expression, exchange, switch, replace) |
| deputize(verb, exchange, switch, replace, swap) |
| fill in for(verb, expression, idiom, exchange, replace) |
| pinch-hit(verb, substitute) |
| sub(verb, exchange, switch, replace, swap) |
| supersede(verb, exchange, switch, replace, swap) |
| swap places with(verb, expression, idiom, exchange, replace) |
| understudy |
| act as |