1) Decreasing numbers of 2) Easier to count 3) Five, to ten 4) Less 5) Less numerous 6) Lesser number 7) Like three, to four 8) Like two, to four 9) Much less 10) Not as many 11) Not as much of 12) Not so many 13) Rather less 14) Reduced in number 15) Smaller in number 16) Smaller number of 1) Deficiency 2) Few 3) Less 
[adj] - (comparative of `few` used with count nouns) quantifier meaning a smaller number of
adjective (comparative of `few` used with count nouns) quantifier meaning a smaller number of; `fewer birds came this year`; `the birds are fewer this year`; `fewer trains were late`