| Modern English | Part of Speech | Old English | Inflections | Notes |
|---|---|---|---|---|
| once | adv. | hwīlum | ||
| at once | adv. | āne | ||
| at once | adv. | sōna | ||
| at once | adv. | ætsamne | ||
| conceal | v. | behȳdan | ||
| conceal | v. | bemīþan | view | |
| conceal | v. | dēagan | ||
| conceal | v. | gehydan | ||
| conceal | v. | mīþan | view | |
| conceit | nf. | ūpāhefednes | ||
| concern | v. | belimpan | view | |
| concern | nf. | bisgu | ||
| conceive | v. | āsmēagan | view | |
| concerning | prep. | be | ||
| concerning | prep. | of | +dat | |
| concealment | nm. | heolstor | ||
| unconcerned | adj. | orsorg | ||
| concealing shade | nf. | heolstorsceado |