Iggy's lyrics seem repetitive. Nicki is ALWAYS saying " and I ain't talking bout ..." So annoying. So children, what we've learnt today is that, they should get lessons on rapping skills from Eminem (legend) and lyrics from Kendrick Lamar or Ed Sheeran (Grammy lords)
Honestly Nicki Minaj isn't so bad, it's just songs like Anaconda that make her look bad. Songs like Bed of Lies, Grand Piano, The Night is Still Young, The Crying Game, etc are pretty good.
If I had to pick one I'd say Nicki. Over her career she has come out with better material. Not saying all is gd tho... I really don't think either shoupd be placed under rap tho. More so hip hop. I haven't seen many girls show up killing it with rap skills. True rap is hard to find now days tho. So many fakes and/or try hards.
Best female rappers of all time are chicks like, roxanne shante, Queen Latifah, Mc Lyte, Foxy Brown, Queen Penn & even Vanilla Ice