Slavic	language family with Polish, Russian, Bulgarian
Germanic	language family with Swedish, Dutch, English
Romance	language family with Spanish, Romanian, French
Indo-Arian	language family with Hindu, Romany, Farsi
Celtic	language family with Welsh, Irish, Breton
Semitic	language family with Arabic, Hebrew
Austronesian	language family with Malay, Tagalog, Maori
syntax	the grammar and word order
modality	meanings such as possibility and necessity
phonology	the sound system, i.e. pronunciation and intonation
phoneme	different sounds that distinguish meanings
diphtong	sounds made by combining vowels
lexicon	technical term for vocabulary
compound	word formed by combining words
Anglo-Saxon	language of England from 500 to 1000 AD
Graeco-Latin	originally from Greek and Latin
orthography	technical term for writing systems
character	letter or symbol
pictogram	character representing picture
ideogram	character representing idea/concept
morphology	the way words are formed
morpheme	unit of meaning
inflected	have endings to show tense, person, etc.
isolating	describes language in which each word has only one morpheme
cedilla	ogonek pod 'c'
umlaut	dwie kropki nad samogłoską
circumflex	daszek
acute	akcent w prawo
grave	akcent w lewo
tilde	falka pozioma nad, tylda