Always and truly are two common words used to express permanence and sincerity. However, there are several synonyms that can be used in place of these words, each with its unique connotation. Perpetually is a synonym that conveys a sense of unceasing persistence, while constantly suggests a repeated action or occurrence. Truly can be replaced with sincerely to emphasize an authentic and heartfelt sentiment, or genuinely to convey a sense of authenticity. Additionally, permanent and everlasting can be used in place of always to emphasize permanence and continuity. Using these synonyms adds variety to one's vocabulary and enables more precise communication.