In Irish it's "fiáin"
In Celtic languages, the word for protection varies. In Irish, the word is "cosaint," while in Scottish Gaelic, it is "dìon." In Welsh, the term is "amddiffyn." These words encompass the concept of safeguarding and defense across different Celtic cultures.
In Irish it's feall / brath
The Celtic word for seven varies among the different Celtic languages. In Irish, it is "seacht," in Scottish Gaelic, it is also "seachd," and in Welsh, it is "saith." Each of these words reflects the linguistic diversity within the Celtic language family.
I don't know if 'Green man' actually is used in Celtic languages. The wikipedia article mentions an ancient Celtic god called Viridios which may derive from 'green'.
'without an end' or 'by ourselves'
You can make 4 words out of "wild": wild, lid, id, and ild.
In Irish it's lúbra / cathair gríobhháin
Several Celtic words have survived in modern English, particularly in place names and certain everyday vocabulary. Examples include "druid," "whiskey" (from the Irish "uisce beatha"), and "galore" (from the Irish "go leor"). Additionally, many place names in the British Isles, such as "Avon" (meaning river) and "Kent" (from a Celtic word meaning "headland"), also reflect Celtic origins. These remnants illustrate the lasting influence of Celtic languages on English.
Sovaĝaj and malsovaĝaj are the Esperanto words for wild and tame.
There are 66,934 words in the book "Warrior in the Wild".
Irish: deirfiúr Scottish Gaelic: piuthar Welsh: chwaer
Irish: aingeal Scots Gaelic: aingeal Welsh: angel