Mammoth Uncensored Word List:
46 words ending with am, 7 letters long

amalgam anagram antijam bemadam brecham buckram cocoyam diagram digicam epigram exagram eyebeam findram flotsam gingham gopuram grandam grannam grogram holydam isogram lockram macadam mantram mashlam milldam minicam myogram nonfoam outbeam outswam pangram papadam polygam program quondam ramstam redream sunbeam tangram trangam trigram urogram whangam wolfram xantham