with Bettina Migge: fc. New speakers of Irish English: Pragmatic and sociophonetic perspectives. In Martin Schweinberger & Patricia Ronan (eds.), Socio-pragmatic variation in Ireland and Scotland. Berlin: de Gruyter.
2023. The sociophonetics of Dublin English – Phonetic realisation and sociopragmatic variation. Amsterdam: John Benjamins.
2023. Dublin English and third-wave sociolinguistics. In Raymond Hickey (ed.), The Oxford handbook of Irish English, 339-360. Oxford: Oxford University Press.
with Morana Lukač: 2023. Our own tongue should be written pure. Language awareness: Sprachkontakt und -kritik damals und heute vergleichen. Unterricht Englisch 183.
with Arne Peters: 2023. Lexical evidence for the contact between Irish and Old Norse in contemporary uses of modern Irish, Norwegian and Irish English. In Arne Peters, Carolina P. Amador-Moreno & Dagmar Haumann (eds.), Digitally-assisted historical English linguistics, 179-200. London: Routledge.
with Mahshid Mayar: 2022. Silences in history, linguistics, and literature: An introduction. In Mahshid Mayar & Marion Schulte (eds.), Silence and its derivatives. Conversations across disciplines, 1-18. Basingstoke: Palgrave Macmillan.
2022. Silencing of native languages among L2 speakers of English in Ireland. In Mahshid Mayar & Marion Schulte (eds.), Silence and its derivatives. Conversations across disciplines, 311-330. Basingstoke: Palgrave Macmillan.
2022. Sociopragmatic perspectives on Irish English discourse-pragmatic markers: An analysis of but in Dublin English. In Stephen Lucek & Carolina P. Amador-Moreno (eds.), Expanding the landscapes of Irish English research, 163-177. London: Routledge.
2021. The linguistic landscape and soundscape of Windhoek. In Anne Schröder (ed.), The dynamics of English in Namibia, 83-107. Amsterdam: John Benjamins.
2021. Early audio recordings and the development of Irish English: An analysis of /θ/ and /ð/ realisations in broadcasting data. Anglistik 32:1, 11-24.
with Peter Schildhauer & Carolin Zehne: 2021. Encountering Global Englishes in the ELT classroom through audio-visual texts. In Marcus Callies, Stefanie Hehner, Philipp Meer & Michael Westphal (Hrsg.), Glocalising teaching English as an international language, 198-214. London: Routledge.
2020. Functions and social meanings of click sounds in Irish English. Proceedings of laughter and other non-verbal vocalisations workshop 2020, 32-35. <https://biecoll.ub.uni-bielefeld.de/index.php/lw2020>
2020. Positive evaluative stance and /t/ frication – a sociophonetic analysis of /t/ realisations in Dublin English. In Raymond Hickey & Carolina P. Amador-Moreno (eds.), Irish identities – sociolinguistic perspectives, 84-103. Berlin: de Gruyter.
with Peter Schildhauer: 2020. Teaching World Englishes with films. In Julia Andres, Brian Rozema & Anne Schröder (Hrsg.), (Dis-)harmony: Amplifying voices in polyphone cultural productions, 167-183. Bielefeld: Aisthesis.
2019. The semantic development of borrowed derivational morphology – change and stability in French-English language contact, Diachronica 36:1, 65-98.
2017. Investigating semantic change in derivational morphology. In Elise Louviot & Catherine Delesse (eds.), Studies in language variation and change 2: Shifts and turns in the history of English, 38-57. Newcastle upon Tyne: Cambridge Scholars Publishing.
2016. Language contact in the history of English. In Marcus Hartner & Marion Schulte (eds.), Migration in context, 21-36. Bielefeld: Aisthesis.
2016. Language contact and language policy in Ireland, 10plus1, 118-130.
2015. The semantics of derivational morphology. A synchronic and diachronic Investigation of the suffixes -age and -ery in English. Tübingen: Narr.
2015. Polysemy and synonymy in derivational affixation. A case study of the English suffixes -age and -ery, Morphology 25:4, 371-390.