* The Romans did not conquer Britain to the same extent as they did other parts of Europe. They established a presence in Britain, but their control was more focused on the south and east.
* The Roman influence on the native Celtic languages was less direct than on other languages. While some Latin words may have been adopted, the impact on the structure and vocabulary of Old English was relatively limited compared to the influence of later languages like Old Norse or French.
* The English language itself evolved over time. Words borrowed from Latin during the Roman period may have been lost or changed during the subsequent Anglo-Saxon and Norman periods.
However, we can identify some categories of words that entered English due to Roman influence:
* Place names: Many places in Britain have names of Latin origin, such as "Chester" (from "castra," meaning "camp") and "Lincoln" (from "Lindum Colonia").
* Military terms: Some military terms used by the Romans were likely adopted by the Britons, though these may have been lost over time.
* Administrative terms: Words related to Roman administration and law might have been borrowed, though the exact number is unknown.
Ultimately, the impact of the Roman invasions on the English language is significant, though less substantial than the impact of later languages. The Romans contributed to the vocabulary and structure of Old English, paving the way for the development of modern English.