with thiS:

    with zipfile.ZipFile(outputFilename, "w") as zf:
        apu3 = formatLines(lists[2])
        zf.writestr("words_3.txt", "\n" + apu3)

I get this output:

words_3.txt
age all and and and
and and and and and
but but can dav eit
end ers for for fre
gen has has he
 his
his is
 is
 men not
of
 off old one pe

sex six six the the
the the the the the
the the the the the
the to


with this:


    with zipfile.ZipFile(outputFilename, "w") as zf:
        apu2 = formatLines(lists[1])
        zf.writestr("words_2.txt", "\n" + apu2)

I get this:
words_2.txt
as as as as be
by do he in in
in in in in in
is is is is is
is is is is it
it lo of of of
of of of of of
or or re to to