A bash file to read line by line from a file and the split the line to words using space as a delimiter.

parse_words.sh

#!/usr/bin/bash

input="full path to file"
while IFS= read -r line; do
  	arrIN=(${line// / }) ## to split with ; arrIN=(${line//;/ }) 
  	## do something with the words, words can be obtained by ${arrIN[i]} where i is the index
done < "${input}"