複 【フク】 compound, composite, multiple, re-, bi-, doubles (tennis,
badminton, etc.), place bet (in horse racing, etc.), show bet, bet
that predicts a top 2 or top 3 finish (depending on number of
horses, etc. in race)
複合 【フクゴウ】 composite, combined, complex
重複 【チョウフク】 duplication, repetition, overlapping, redundancy,
restoration
遺伝子重複 【イデンシジュウフク】 gene duplication