| back(adjective, adverb, round, backward, opposite) |
| behind(adjective, adverb, back, following, after) |
| gone(adverb, back, earlier, after, ahead) |
| since(adverb, back, earlier, after, ahead) |
| abaft(adjective, adverb, back, behind, astern) |
| about(adverb, back, round, backward, opposite) |
| afore(adverb, back, earlier, ahead, ago) |
| aforetime(adverb, back, earlier, ahead, ago) |
| afterwards(adjective, back, following, behind, after) |
| ages ago(expression, back, after, ago, since) |
| ahead(adverb, back, earlier, ago) |
| ante(adverb, back, earlier, ahead, ago) |
| antecedently(adverb, back, earlier, ahead, ago) |
| anteriorly(adverb, back, earlier, ahead, ago) |
| around(adverb, back, round, backward, opposite) |
| astern(adjective, adverb, back, behind, abaft) |
| back when(expression, back, after, ago, since) |
| backward(adverb, back, round, opposite, around) |
| below(adjective, back, following, behind, after) |
| ensuing(adjective, back, following, behind, after) |