Consonant: A basic speech sound in which the breath is at least partly obstructed and which can be combined with a vowel to form a syllable.

Vowel: A speech sound which is produced by comparatively open configuration of the vocal tract, with vibration of the vocal cords but without audible friction, and which is a unit of the sound system of a language that forms the nucleus of a syllable.

Diphthong: Asound formed by the combination of two vowels in a single syllable, in which the sound begins as one vowel and moves towards another (as in coin, loud, and side). 

A digraph representing the sound of a diphthong or single vowel (as in feat). • A compound vowel character; a ligature (such as æ).
- DERIVATIVES diphthongal   /-'g()l/ adjective .
- ORIGIN late Middle English: from French diphtongue, via late Latin from Greek diphthongos, from di- ‘twice’ + phthongos   ‘voice, sound’.

Oxford English Dictionary

 

Kestrel: /kstrl/

Philology: Love of learning and literature; the branch of knowledge that deals with the historical, linguistic, interpretative, and critical aspects of literature; literary or classical scholarship.

Crow: OE. cráwe f., corresp. to OS. krâia, MLG. krâge, krâe, krâ, LG. kraie, kreie, MDu. kraeye, Du. kraai, OHG. chrâwa, chrâja, chrâ, crâwa, crâ, MHG. kræe, krâwe, krâ, Ger. krähe; a WG. deriv. of the vb. crâwan, crâian to CROW, q.v.] 

Spanish Translation: Ave paseriforme de unos 65 cm de longitud, omnívora, de plumaje negro, pico cónico, grueso y más largo que la cabeza, extremidades fuertes y alas de 1 m de envergadura