The term 'burden to bear' is a phrase that is often used to describe a difficult situation or responsibility that someone has to take on. The two crossword solutions for this phrase are 'ALBATROSS' and 'ONUS'. An ALBATROSS is a large seabird that is often seen as a metaphor for a burden that is difficult to carry. ONUS is a Latin word that means a burden or responsibility. Therefore, both of these words can be used to describe the phrase 'burden to bear'.