siþþan

afterwards, subsequently

byþ hwītust corna; hwyrft hit of heofones lyfte, wealcaþ hit windes sċūra, weorþeþ hit tō wætere syððan.

Hail is the whitest of corns; it is a movement from the heaven’s air, showers of wind stir it, afterwards it turns to water.

c. 1000, The Rune Poem:

since

ago, since

Þā on þām eahteoþan ġēare siþþan hēo abbudisse wæs, hēo wæs ġeuntrumod swā swā hēo ǣr witeġode, swā þæt ān ġeswel wēox on hire swūran myċel under ċynnbane...

Then on the eighth year since she became abbotess, she was sickened as she had previously predicted, as a large tumor grew on her neck under the chinbone....

late 10th century, Ælfric, Lives of Saints

after, since

Min leofe cild, nis nu todæg se casere on eorþan lifigende þe decius sy genemned, se casere þe þu embe axast, he wæs gefyrn worulde and swiðe fela geara synd nu agane syððan he gewat of þysan life;..

My dear child, there is not today the emperor living on earth who is named Decius; the emperor whom thou askest about, he lived in the world long ago, and very many years are now past since he departed from this life.

late 10th century, Ælfric, "The Seven Sleepers"