Stacking multiple columns on to one?

Question

I am using Google SpreadSheet, and I\'m trying to have multiple sheets containg a list of words. On the final sheet, I would like to create a summative list, which is a comb

Answer 1

=TRANSPOSE(SPLIT(TEXTJOIN("@",TRUE,TRANSPOSE(A:C),TRANSPOSE(D1:D5)),"@",FALSE,FALSE))

• use a preferred delimiter absent in the data (instead of @) if needed
• the first 1 (TRUE) parameter means IGNORE EMPTY, which is very important in this case..
• the A:C and D1:D5 are the ranges to combine
• all values remain there - not using UNIQUE