seaman / seamen / semen are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
seaman: (noun) muckraking United States journalist who exposed bad conditions in mental institutions (1867-1922).
seamen: (noun) muckraking United States journalist who exposed bad conditions in mental institutions (1867-1922).
semen: (noun) the thick white fluid containing spermatozoa that is ejaculated by the male genital tract.
seaman: s·IY·m·ah·n
seamen: s·IY·m·ah·n
semen: s·IY·m·ah·n
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)