Solutions A large number has 18 entries with similar clues

• 4-letter words
• teemMove in large numbers
• slewLarge number
• 5-letter words
• heapsLarge number
• crowdLarge number of people
• 6-letter words
• influxEntry of large numbers
• oodlesLarge number or amount
• 7-letter words
• umpteenLarge in number
• zillionA very large number
• millionLarge number
• 8-letter words
• regimentLarge number of men diet, taking heart in fasting
• bemybaby1963 single by The Ronettes that reached number 2 in the US and number 4 in the UK
• 9-letter words
• squillionAn infinite very large number
• thousandsLarge numbers
• 10-letter words
• processionA large number of people coming one after the other
• 11-letter words
• mass-marketAppealing to a large number of people
• 12-letter words
• star-studdedFeaturing a large number of the famous
• in-abundanceIn a large number
• 14-letter words
• pitched-battleA fierce fight involving large number of people