The phrase "wood overcoat" is a unique combination of words that may not have direct synonyms. However, there are several phrases or terms that can be used to describe a similar concept. For example, an "outdoor jacket", "forest coat", "camouflage coat" or "hiking jacket" can serve as an alternative term. Additionally, depending on the context, words such as "timber", "lumber", "tree bark", or "woodland" can be used in place of "wood". Similarly, words like "coat", "jacket", "overcoat", or "outerwear" can be used in place of "overcoat". The key is to choose a phrase that conveys the intended meaning and context accurately.