Crossword puzzle clue "and more letters"

Starting a project ... and what the letters between the starting and ending pairs of letters in each starred answer are doing?

Give more, more, more

"Human history becomes more and more ___ between education and catastrophe." (H.G. Wells)

"And more" letters

"And more ___ more"

Religious symbol pops up in more and more places?

Returning returns, more and more

Grow more and more irksome