#structural word
- Aerope — A structural plural form or rare neologistic variant used to designate the collection of manifestations, concepts, or particles correlated with the upper layers of the aerial environment. The term may appear in isolated etymological or poetic analyses as the inflected or uninflected plural of thematic derivatives in atmospheric dynamics.
- Summer heat — An archaic, regional linguistic form or early etymological variant used to designate the scorching heat of summer, sultriness, or the hot air characteristic of dog days. Structurally originating from the Latin root 'aestas', the term retains significant documentary value in studying the evolution of the Transylvanian or Banat Romanian lexicon in old manuscripts.
- Aesta — A rare, unofficial feminine form or isolated historical textual variant used contextually to evoke the state, period, or specific manifestations of summer heat or the warm season. In comparative philological analyses, it is recorded as an early attempt to adapt the Latin noun 'aestas' directly into the Romanian feminine class, prior to the stabilization of modern terms.
- Really — An archaic or regional adverbial form used as a simplified variant of 'aevea', meaning in reality, truly, visibly, or in a waking state (not in a dream). The term retains a distinct documentary and poetic value, being encountered in old literary texts to emphasize the certainty or tangible nature of an appearance or phenomenon.
- Alveo- — A combining form used in medical, biological, geological, or phonetic scientific terminology to introduce structural references to alveoli, cavities, riverbeds, or specific anatomical formations (such as dental or pulmonary alveoli). Etymologically derived from Latin, it serves to form compound neologisms across various disciplines.
- Alveolo- — A combining form used in medical, biological, or phonetic scientific terminology to introduce structural references to alveoli (dental or pulmonary) or to their adjacent anatomical structures. Etymologically derived from Latin, it serves to form compound learned neologisms describing complex topographical or pathological relationships.
- Anemo- — A scholarly combining form (prefixoid) used to create international neologisms, structurally introducing the meaning of 'wind', 'air current', or 'air movement'. Derived from the Ancient Greek 'anemos', it is fundamental in technical and scientific terminology (e.g., anemometer, anemophilous).
- Applause — An old etymological form or direct graphical variant for the neuter noun 'aplaos'; it represents the physical act and public manifestation of clapping hands as a sign of esteem, reverence, or deep approval. This structural form reflects direct borrowing from learned Latin or Germanic languages during the early modernization periods of the Romanian academic lexicon.
- Application — An archaic form or historical lexicographical variant for the feminine noun 'aplicație'; it represents the action of putting into practice a law, a theoretical principle, an administrative method, or a legal punishment. This structural form directly reflects the Latin and French etymological influence from the early modernization period of 19th-century Romanian legal and academic texts.
- Aspido- — A learned combining form (prefixoid) extracted from ancient Greek (aspis, aspidos), structurally used in the international vocabulary to build new terms with the meaning of 'shield', 'protective armor', or, in certain biological contexts, related to the asp snake species.