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Old English folc
Proto-Germanic *fulką (inherited)

English flock (cognate)
English Norfolk (mention)
English Suffolk (compound)
English folk (inherited)
English halywercfolk (mention)
Old English folcstede (compound)
Old English folclic (affix)
Old English folcland (compound)
Old English landfolc (affix)
Old English folcgefeoht (compound)
Old English ceorlfolc (compound)
Old English folcræden (affix)
Old English folclar (compound)
Old English folcisc (suffix)
Old Church Slavonic плъкъ (mention)
French foule (cognate)
Polish folk (derived)
Scots fowk (inherited)
Albanian plog (cognate)