Erminois is a heraldic term that refers to a specific yellow or gold color represented in the field of a coat of arms. To find synonyms for this word, we can look for similar colors that may be represented in a coat of arms. Some possible synonyms for erminois include gold, yellow, or even amber. Other related words that may be used as synonyms for erminois can include ochre, saffron, and mustard. While these words may not be exact synonyms in the strict sense, they are related and can be used interchangeably in describing the distinctive yellow color represented by erminois in heraldic design.